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Bird List

Updated ~2 days ago
349 All Years 217 This Year 2024 174 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (348)

  1. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Ethan Craig
    Location: 211 Plush Mill Rd, Wallingford US-PA 39.91022, -75.37094
  2. Tufted Titmouse Baeolophus bicolor
    # Count: 1
    Date:
    Observer: Ethan Craig
    Location: 211 Plush Mill Rd, Wallingford US-PA 39.91022, -75.37094
  3. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Ethan Craig
    Location: 211 Plush Mill Rd, Wallingford US-PA 39.91022, -75.37094
  4. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: Ethan Craig
    Location: 211 Plush Mill Rd, Wallingford US-PA 39.91022, -75.37094
  5. House Finch Haemorhous mexicanus
    # Count: 2
    Date:
    Observer: Ethan Craig
    Location: 211 Plush Mill Rd, Wallingford US-PA 39.91022, -75.37094
  6. Mourning Dove Zenaida macroura
    # Count: 6
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  7. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  8. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  9. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  10. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  11. Eastern Wood-Pewee Contopus virens
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  12. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  13. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  14. Warbling Vireo Vireo gilvus
    # Count: 4
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  15. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  16. Blue Jay Cyanocitta cristata
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  17. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  18. Tree Swallow Tachycineta bicolor
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  19. Barn Swallow Hirundo rustica
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  20. House Wren Troglodytes aedon
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  21. Carolina Wren Thryothorus ludovicianus
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  22. European Starling Sturnus vulgaris
    # Count: 10
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  23. Gray Catbird Dumetella carolinensis
    # Count: 5
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  24. American Robin Turdus migratorius
    # Count: 10
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  25. Cedar Waxwing Bombycilla cedrorum
    # Count: 3
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  26. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  27. Song Sparrow Melospiza melodia
    # Count: 5
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  28. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  29. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  30. Common Grackle Quiscalus quiscula
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  31. Northern Cardinal Cardinalis cardinalis
    # Count: 5
    Date:
    Observer: Debbie Beer
    Location: Gillespie Park
  32. Osprey Pandion haliaetus
    # Count: 2
    Date:
    Observer: Marc Goncher
    Location: S Governor Printz Blvd, Essington US-PA 39.87551, -75.26645
  33. Red-shouldered Hawk Buteo lineatus
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: 603 Crum Creek Road, Media PA 19063
  34. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  35. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  36. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  37. Carolina Chickadee Poecile carolinensis
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  38. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  39. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  40. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1859 S Creek Rd, Chadds Ford US-PA 39.86579, -75.59227
  41. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  42. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  43. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  44. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  45. Purple Martin Progne subis
    # Count: 12
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  46. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 3
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  47. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  48. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  49. Orchard Oriole Icterus spurius
    # Count: 3
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  50. Red-winged Blackbird Agelaius phoeniceus
    # Count: 15
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  51. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Russell Rogers
    Location: 1941–1999 S Creek Rd, Chadds Ford US-PA 39.85498, -75.59575
  52. Canada Goose Branta canadensis
    # Count: 4
    Date:
    Observer: John Drake
    Location: Crestview Circle
  53. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  54. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  55. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: Martha Frost
    Location: 9 Ridings Way, Chadds Ford, Pennsylvania, US (39.862, -75.55)
  56. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Martha Frost
    Location: 9 Ridings Way, Chadds Ford, Pennsylvania, US (39.862, -75.55)
  57. Rock Pigeon Columba livia
    # Count: 2
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  58. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  59. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  60. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Ailes and Dodson
    Location: Leiper Park, Wallingford US-PA (39.8908,-75.3567)
  61. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Ailes and Dodson
    Location: Leiper Park, Wallingford US-PA (39.8908,-75.3567)
  62. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Matt Doyle
    Location: Ridley Creek SP (IBA)
  63. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Matt Doyle
    Location: Ridley Creek SP (IBA)
  64. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  65. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  66. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  67. Ovenbird Seiurus aurocapilla
    # Count: 8
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  68. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  69. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Multi Use Trail At RCSP, Starting At Blue White Marker
  70. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Marc Goncher
    Location: Ridley Creek SP (IBA)
  71. American Redstart Setophaga ruticilla
    # Count: 3
    Date:
    Observer: Marc Goncher
    Location: Ridley Creek SP (IBA)
  72. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Marc Goncher
    Location: Ridley Creek SP (IBA)
  73. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Ridley Creek SP (IBA)
  74. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: David Eberly
    Location: Crum Woods
  75. Black Vulture Coragyps atratus
    # Count: 2
    Date:
    Observer: Brian Byrnes
    Location: 'PA - Delaware - my yard
  76. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Andrew Larson
    Location: Ridley Creek State Park, Newtown Square US-PA 39.95079, -75.45135
  77. Eastern Bluebird Sialia sialis
    # Count: 2
    Date:
    Observer: Jeremy Low
    Location: Tyler Arboretum
  78. Willow Flycatcher Empidonax traillii
    # Count: 2
    Date:
    Observer: Ethan K
    Location: Cliff Swallow Bridge
  79. Marsh Wren Cistothorus palustris
    # Count: 6
    Date:
    Observer: Kristy Eleftheriou
    Location: Heinz Wetlands Bike Trail Part 3
  80. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Heinz Wetlands Bike Trail Part 3
  81. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: John Heinz NWR--wetlands (Delaware Co.)
  82. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  83. Laughing Gull Leucophaeus atricilla
    # Count: 3
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  84. Ring-billed Gull Larus delawarensis
    # Count: 6
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  85. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Ridley Creek SP--parking lot 14
  86. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Jeff Hapeman
    Location: 495 Thornton Rd, Cheyney US-PA
  87. Blue-winged Warbler Vermivora cyanoptera
    # Count: 2
    Date:
    Observer: Gerard Green
    Location: Brandywine Museum of Art, Chadds Ford US-PA 39.87017, -75.59338
  88. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: BRIAN CARMODY
    Location: 34 Rose Lane, Glen Mills, Pennsylvania, US (39.924, -75.505)
  89. Swainson's Thrush Catharus ustulatus
    # Count: 3
    Date:
    Observer: BRIAN CARMODY
    Location: 46 Rose Lane, Glen Mills, Pennsylvania, US (39.924, -75.503)
  90. Scarlet Tanager Piranga olivacea
    # Count: 3
    Date:
    Observer: BRIAN CARMODY
    Location: 46 Rose Lane, Glen Mills, Pennsylvania, US (39.924, -75.503)
  91. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Meredith Tamminga
    Location: Tyler Arboretum
  92. Eastern Meadowlark Sturnella magna
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Hog Island Road--East Tank Farm
  93. Great Egret Ardea alba
    # Count: 2
    Date:
    Observer: adrian binns
    Location: Hog Island Road--UPS Employment Bldg environs
  94. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Carol Brandt
    Location: 99 E Greenwood Ave, Lansdowne US-PA 39.94468, -75.26953
  95. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  96. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Tom Dougherty
    Location: Brinton Run Preserve
  97. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Roberta Menapace
    Location: Ridley Creek SP (IBA)
  98. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Brian Byrnes
    Location: 'PA - Delaware - my yard
  99. Black-bellied Plover Pluvialis squatarola
    # Count: 2
    Date:
    Observer: Jim McConnell
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  100. Pine Warbler Setophaga pinus
    # Count: 2
    Date:
    Observer: Brian Quindlen
    Location: Brinton Lake
  101. Dunlin Calidris alpina
    # Count: 29
    Date:
    Observer: Kristy Eleftheriou
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  102. Semipalmated Plover Charadrius semipalmatus
    # Count: 2
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  103. Short-billed Dowitcher Limnodromus griseus
    # Count: 6
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  104. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Ian Teaell
    Location: Cheyney Rd. & Baltimore Pike
  105. Least Sandpiper Calidris minutilla
    # Count: 2
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  106. Least Bittern Ixobrychus exilis
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  107. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  108. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  109. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Concord Twp. Park--sky watch
  110. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Home
  111. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Hog Island Rd - checkered tank pull-off
  112. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  113. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Marcus Hook Municipal Park
  114. Great Black-backed Gull Larus marinus
    # Count: 2
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  115. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  116. Gray-cheeked Thrush Catharus minimus
    # Count: 2
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  117. Canada Warbler Cardellina canadensis
    # Count: 2
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  118. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  119. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  120. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: 47 North Rolling Rd, Springfield US-PA
  121. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  122. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Brian Byrnes
    Location: 'PA - Delaware - Penn's Grant neighborhood
  123. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  124. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  125. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  126. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Kiehl Smith
    Location: Maple Glen Lane
  127. Mute Swan Cygnus olor
    # Count: 3
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  128. Caspian Tern Hydroprogne caspia
    # Count: 4
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  129. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Tom Hals
    Location: Crum Woods
  130. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Damon Orsetti
    Location: Newtown Meadow Preserve
  131. Herring Gull Larus argentatus
    # Count: 2
    Date:
    Observer: Christopher Hinkle
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  132. Yellow-rumped Warbler Setophaga coronata
    # Count: 2
    Date:
    Observer: Elise Greenberg
    Location: Tyler Arboretum
  133. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Calcon Hook Rd.
  134. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 4
    Date:
    Observer: Jim McConnell
    Location: Creek Road Bridge
  135. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Calvin Rees
    Location: Ridley Creek SP--Bridle Trail
  136. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Susan Campbell
    Location: 3300 Darby Rd, Haverford US-PA 39.99703, -75.33571
  137. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: First State NHP--Beaver Valley (PA)
  138. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Richard Horwitz
    Location: Cobbs Creek--Carroll Park Area
  139. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Richard Horwitz
    Location: Cobbs Creek--Carroll Park Area
  140. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Cy Deitz
    Location: John Heinz NWR--wetlands (Delaware Co.)
  141. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Ridley Creek SP--Bridle Trail
  142. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Jeff Wahl
    Location: Newtown Meadow Preserve
  143. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Ridley Creek SP--Bridle Trail
  144. Lesser Black-backed Gull Larus fuscus
    # Count: 2
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  145. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Sleighton Farm Trail/Sleighton Park
  146. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Deborah Hansen
    Location: Calcon Hook Rd.
  147. Hooded Merganser Lophodytes cucullatus
    # Count: 8
    Date:
    Observer: Laura Shunta
    Location: Chadds Ford Marsh
  148. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Home
  149. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Home
  150. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Deborah Hansen
    Location: Heinz 420 Darby Creek Loop Trail
  151. Purple Finch Haemorhous purpureus
    # Count: 2
    Date:
    Observer: Susan Worteck
    Location: 550 Webb Rd, Chadds Ford US-PA 39.88183, -75.57838
  152. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Emma Fisher
    Location: Ridley Creek SP (IBA)
  153. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Emma Fisher
    Location: Ridley Creek SP (IBA)
  154. Snow Goose Anser caerulescens
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Atlas- Squire Ct, Newtown Square US-PA 39.97999, -75.43281
  155. Red-breasted Merganser Mergus serrator
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  156. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  157. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Rachel Malone
    Location: Home
  158. Forster's Tern Sterna forsteri
    # Count: 2
    Date:
    Observer: Jim McConnell
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  159. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  160. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Ridley Creek SP (IBA)
  161. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: 79-99 Fort Mifflin Road, Philadelphia, Pennsylvania, US (39.859, -75.267)
  162. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Sleighton Farm Trail/Sleighton Park
  163. Common Gallinule Gallinula galeata
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  164. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Chester Park
  165. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  166. Long-tailed Duck Clangula hyemalis
    # Count: 2
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  167. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  168. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: John Heinz NWR--wetlands (Delaware Co.)
  169. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  170. Least Tern Sternula antillarum
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  171. Green-winged Teal Anas crecca
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Philadelphia International Airport, Philadelphia US-PA (39.8589,-75.2687)
  172. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Philadelphia International Airport, Philadelphia US-PA (39.8589,-75.2687)
  173. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  174. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Richard Horwitz
    Location: Ridley Creek SP--Bridle Trail
  175. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Frank Berdan
    Location: Walsh Park
  176. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Andy M
    Location: Smedley Tract (Middletown Twp.)
  177. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  178. Palm Warbler Setophaga palmarum
    # Count: 2
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  179. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  180. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: adrian binns
    Location: Crum Creek Road Pullover
  181. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Deborah Hansen
    Location: Chester Park
  182. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Taylor Memorial Arboretum
  183. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  184. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Elaine Kirk
    Location: John Heinz NWR--wetlands (Delaware Co.)
  185. Blue-winged Teal Spatula discors
    # Count: 5
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  186. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  187. Common Merganser Mergus merganser
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  188. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Gary Griffith
    Location: Philadelphia International Airport
  189. Gadwall Mareca strepera
    # Count: 1
    Date:
    Observer: Rich Ziegler
    Location: John Heinz NWR--wetlands (Delaware Co.)
  190. Bufflehead Bucephala albeola
    # Count: 3
    Date:
    Observer: Damon Orsetti
    Location: Springton Reservoir (restricted access)
  191. Ring-necked Duck Aythya collaris
    # Count: 2
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  192. Horned Lark Eremophila alpestris
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  193. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Deborah Hansen
    Location: John Heinz NWR--wetlands (Delaware Co.)
  194. Ruddy Duck Oxyura jamaicensis
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  195. Northern Shoveler Spatula clypeata
    # Count: 2
    Date:
    Observer: Jim McConnell
    Location: John Heinz NWR--wetlands (Delaware Co.)
  196. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Walsh Park
  197. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  198. Short-eared Owl Asio flammeus
    # Count: 2
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  199. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Frances Jamieson
    Location: 34 Meadows Ln, Haverford US-PA 40.00618, -75.32898
  200. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: Governor Printz Park
  201. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Ana Alberta
    Location: 839 Bryn Mawr Ave, Bryn Mawr US-PA 40.00315, -75.36671
  202. Greater Scaup Aythya marila
    # Count: 2
    Date:
    Observer: Cheryl Maguire
    Location: John Heinz NWR--wetlands (Delaware Co.)
  203. American Wigeon Mareca americana
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Springton Reservoir (restricted access)
  204. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Jim Joyce
    Location: Springton Reservoir (restricted access)
  205. Tundra Swan Cygnus columbianus
    # Count: 21
    Date:
    Observer: adrian binns
    Location: Springton Reservoir (restricted access)
  206. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Tyler Arboretum
  207. American Woodcock Scolopax minor
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Rachel Kohl Library Walking Trail
  208. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Melissa Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  209. Sandhill Crane Antigone canadensis
    # Count: 7
    Date:
    Observer: Christopher Hinkle
    Location: Marcus Hook Municipal Park
  210. American Tree Sparrow Spizelloides arborea
    # Count: 3
    Date:
    Observer: Jim McConnell
    Location: Calcon Hook Rd.
  211. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Edward Dolan
    Location: John Heinz NWR--wetlands (Delaware Co.)
  212. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Kristen Johnson
    Location: Southbrook Trail/Quadrangle
  213. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Ridley Creek SP--Bridle Trail
  214. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: John Heinz NWR--wetlands (Delaware Co.)
  215. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Springton Reservoir (restricted access)
  216. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  217. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: John Heinz NWR--wetlands (Delaware Co.)
  218. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Rose Tree Park Hawk Watch Data
    Location: Rose Tree Park
  219. Black Scoter Melanitta americana
    # Count: 2
    Date:
    Observer: Rob Fergus
    Location: Springton Reservoir (restricted access)
  220. White-winged Scoter Melanitta deglandi
    # Count: 2
    Date:
    Observer: Evan Houston
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  221. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  222. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Robin Queenan
    Location: Witchhazel Way
  223. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Don Guanella Park
  224. American Golden-Plover Pluvialis dominica
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  225. Hudsonian Godwit Limosa haemastica
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  226. Semipalmated Sandpiper Calidris pusilla
    # Count: 4
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  227. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  228. Red Knot Calidris canutus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  229. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  230. Glossy Ibis Plegadis falcinellus
    # Count: 4
    Date:
    Observer: Ethan K
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  231. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  232. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Mad Evans
    Location: Tyler Arboretum
  233. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  234. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Jim Joyce
    Location: 3553 Winding Way, Newtown Square, Pennsylvania, US (39.992, -75.396)
  235. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  236. White-rumped Sandpiper Calidris fuscicollis
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  237. Brown Booby Sula leucogaster
    # Count: 2
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  238. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  239. Willet Tringa semipalmata
    # Count: 7
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  240. White Ibis Eudocimus albus
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: John Heinz NWR--wetlands (Delaware Co.)
  241. Roseate Spoonbill Platalea ajaja
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Calcon Hook Rd.
  242. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Dave Belford
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  243. American White Pelican Pelecanus erythrorhynchos
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion--Driveway (my yard) [GRMR-Dr]
  244. Gull-billed Tern Gelochelidon nilotica
    # Count: 3
    Date:
    Observer: Mandy Gibson
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  245. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  246. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Ross Gallardy
    Location: 321 Plush Mill Rd, Wallingford US-PA (39.9103,-75.3668)
  247. Whimbrel Numenius phaeopus
    # Count: 70
    Date:
    Observer: Ross Gallardy
    Location: DelCo WHIM
  248. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus DELCO NFC station
  249. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Sean Gallagher
    Location: Pennock Woods Park
  250. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Christopher Hinkle
    Location: Marcus Hook Municipal Park
  251. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Springton Reservoir (restricted access)
  252. Hermit Warbler Setophaga occidentalis
    # Count: 1
    Date:
    Observer: Bob McGarry
    Location: stakeout Hermit Warbler, Cherry Tree Rd., Aston (2022)
  253. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  254. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus Residence (2017-2023)--Wallingford PA
  255. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  256. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus DELCO NFC station
  257. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  258. Baird's Sandpiper Calidris bairdii
    # Count: 3
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  259. Black-bellied Whistling-Duck Dendrocygna autumnalis
    # Count: 3
    Date:
    Observer: Ethan K
    Location: John Heinz NWR--wetlands (Delaware Co.)
  260. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  261. King Rail Rallus elegans
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus DELCO NFC station
  262. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Sheryl Johnson
    Location: Haverford Yard DelCo
  263. Barnacle Goose Branta leucopsis
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Springton Lake Middle School
  264. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Steve Gautier
    Location: Portsmouth Circle
  265. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  266. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Micah Muldowney
    Location: John Heinz NWR--wetlands (Delaware Co.)
  267. Swallow-tailed Kite Elanoides forficatus
    # Count: 1
    Date:
    Observer: Roberta Menapace
    Location: Ridley Creek SP (IBA)
  268. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  269. Harlequin Duck Histrionicus histrionicus
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  270. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Alan Schreck
    Location: 6 Beechwood Circle
  271. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Bill Reaume
    Location: Chester Park
  272. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Governor Printz Park
  273. Red Crossbill Loxia curvirostra
    # Count: 2
    Date:
    Observer: Alan Belford
    Location: Ridley Creek SP (IBA)
  274. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  275. Tundra Bean-Goose Anser serrirostris
    # Count: 1
    Date:
    Observer: Sethu Manickavel
    Location: stakeout Tundra Bean Goose, Springfield Country Club (from St. Kevin Parish), Springfield (2020)
  276. Common Redpoll Acanthis flammea
    # Count: 4
    Date:
    Observer: Jordan Hillsley
    Location: Crum Creek Reservoir
  277. Allen's Hummingbird Selasphorus sasin
    # Count: 1
    Date:
    Observer: Erik Nelson
    Location: stakeout Allen's Hummingbird, Fairview Rd., Springfield (2020)
  278. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Rose Tree Park
  279. Violet-green Swallow Tachycineta thalassina
    # Count: 1
    Date:
    Observer: matthew sabatine
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  280. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  281. Calliope Hummingbird Selasphorus calliope
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Taylor Memorial Arboretum
  282. South Polar Skua Stercorarius maccormicki
    # Count: 1
    Date:
    Observer: Michael David
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  283. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Rowan Hollins
    Location: John Heinz NWR--wetlands (Delaware Co.)
  284. Bicknell's Thrush Catharus bicknelli
    # Count: 1
    Date:
    Observer: Rob Fergus NFC Station
    Location: Fergus DELCO NFC station
  285. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Rob Fergus NFC Station
    Location: Fergus DELCO NFC station
  286. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Robert Karchnyak
    Location: Governor Printz Park
  287. American Oystercatcher Haematopus palliatus
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  288. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus Residence (2017-2023)--Wallingford PA
  289. Common Gull Larus canus
    # Count: 1
    Date:
    Observer: Samuel Neat
    Location: Ridley Twp. Municipal Marina
  290. Black-headed Gull Chroicocephalus ridibundus
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: John Heinz NWR--wetlands (Delaware Co.)
  291. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Sara Busch
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  292. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 2
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  293. Black Skimmer Rynchops niger
    # Count: 4
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  294. Snowy Owl Bubo scandiacus
    # Count: 1
    Date:
    Observer: adrian binns
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  295. Snow Bunting Plectrophenax nivalis
    # Count: 1
    Date:
    Observer: Doris McGovern
    Location: Hog Island Rd. checkered tanks
  296. White-winged Tern Chlidonias leucopterus
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: John Heinz NWR--wetlands (Delaware Co.)
  297. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Jeremy Kimm
    Location: 151-153 Lawrence Road, Broomall, Pennsylvania, US (39.974, -75.341)
  298. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Philadelphia International Airport
  299. Black-necked Stilt Himantopus mexicanus
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Springton Reservoir (restricted access)
  300. Anhinga Anhinga anhinga
    # Count: 1
    Date:
    Observer: David Eberly
    Location: Swarthmore Yard 112
  301. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: John Heinz NWR--wetlands (Delaware Co.)
  302. White-winged Crossbill Loxia leucoptera
    # Count: 4
    Date:
    Observer: Al Guarente
    Location: 421 S Old Middletown Rd Media
  303. Cave Swallow Petrochelidon fulva
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: John Heinz NWR--wetlands (Delaware Co.)
  304. Leach's Storm-Petrel Hydrobates leucorhous
    # Count: 1
    Date:
    Observer: Tom Johnson
    Location: Marcus Hook - Market Square Memorial Park
  305. Pomarine Jaeger Stercorarius pomarinus
    # Count: 19
    Date:
    Observer: Amy Davis
    Location: Norris Street, Chester
  306. Red Phalarope Phalaropus fulicarius
    # Count: 40
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  307. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  308. Nelson's Sparrow Ammospiza nelsoni
    # Count: 1
    Date:
    Observer: Shannon Thompson
    Location: Barrett's Meadow
  309. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Michael Schall
    Location: Cobbs Creek Park - Delaware Co
  310. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Binns n' Beer yard
  311. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Philadelphia International Airport
  312. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Swarthmore, Pennsylvania, US
  313. LeConte's Sparrow Ammospiza leconteii
    # Count: 1
    Date:
    Observer: Alexander Grimwade
    Location: Darlington Tract
  314. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Drew Weber
    Location: Brinton Lake- Eurasian Wigeon spot
  315. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Delco History
    Location: John Heinz NWR--wetlands (Delaware Co.)
  316. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: X
    Date:
    Observer: Cindy & Scott Ahern
    Location: John Heinz NWR--wetlands (Delaware Co.)
  317. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Todd Fellenbaum
    Location: Philadelphia Int'l Airport
  318. Sooty Tern Onychoprion fuscatus
    # Count: 2
    Date:
    Observer: Jason Horn
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  319. Sandwich Tern Thalasseus sandvicensis
    # Count: 1
    Date:
    Observer: Jason Horn
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  320. Seaside Sparrow Ammospiza maritima
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Wawa Preserve
  321. Swainson's Warbler Limnothlypis swainsonii
    # Count: 1
    Date:
    Observer: Al Guarente
    Location: Ridley Creek SP--Bridle Trail
  322. Sedge Wren Cistothorus stellaris
    # Count: 1
    Date:
    Observer: Delco History
    Location: Philadelphia International Airport
  323. Brewer's Blackbird Euphagus cyanocephalus
    # Count: 2
    Date:
    Observer: Delco Birds
    Location: Lester
  324. Painted Bunting Passerina ciris
    # Count: 1
    Date:
    Observer: Robert Curry
    Location: Broomall
  325. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: Delaware River at Marcus Hook
  326. Varied Thrush Ixoreus naevius
    # Count: X
    Date:
    Observer: PORC Data
    Location: Media
  327. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: Philadelphia International Airport
  328. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Mark Robbins
    Location: Ridley Creek State Park
  329. Curlew Sandpiper Calidris ferruginea
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  330. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: Media area
  331. Black-tailed Godwit Limosa limosa
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  332. Ruff Calidris pugnax
    # Count: 1
    Date:
    Observer: Delco History
    Location: John Heinz NWR--wetlands (Delaware Co.)
  333. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: Nick Pulcinella
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  334. Yellow Rail Coturnicops noveboracensis
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  335. Boreal Chickadee Poecile hudsonicus
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: Broomall area.
  336. Northern Gannet Morus bassanus
    # Count: 1
    Date:
    Observer: Delco Historical Records Guarente
    Location: Chadds Ford
  337. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: Little Crum Park
  338. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  339. Black-backed Woodpecker Picoides arcticus
    # Count: 1
    Date:
    Observer: Jean Piatt's records (NJP)
    Location: Ridley Creek SP (IBA)
  340. Pine Grosbeak Pinicola enucleator
    # Count: 5
    Date:
    Observer: Delco Birds
    Location: Media area
  341. Golden-crowned Sparrow Zonotrichia atricapilla
    # Count: 1
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  342. Dovekie Alle alle
    # Count: 1
    Date:
    Observer: Delco History
    Location: Upper Darby
  343. Piping Plover Charadrius melodus
    # Count: 4
    Date:
    Observer: Delco Birds
    Location: John Heinz NWR--wetlands (Delaware Co.)
  344. Purple Gallinule Porphyrio martinica
    # Count: 1
    Date:
    Observer: New Jersey Historical Records
    Location: Chester
  345. Long-eared Owl Asio otus
    # Count: 1
  346. Gyrfalcon Falco rusticolus
    # Count: 1
  347. Barn Owl Tyto alba
    # Count: 1
  348. Black Rail Laterallus jamaicensis
    # Count: 1

Exotic: Provisional (1)

  1. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Nick Pulcinella
    Location: John Heinz NWR--wetlands (Delaware Co.)

Exotic: Escapee (10)

  1. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: Sleighton Farm Trail/Sleighton Park
  2. Muscovy Duck Cairina moschata
    # Count: 1
    Date:
    Observer: Russell Rogers
    Location: John Heinz NWR--wetlands (Delaware Co.)
  3. Graylag Goose Anser anser
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Marcus Hook Municipal Park
  4. Chukar Alectoris chukar
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  5. Swan Goose Anser cygnoides
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Barrett's Meadow
  6. Mandarin Duck Aix galericulata
    # Count: 1
    Date:
    Observer: Brian Quindlen
    Location: East Lake Park, Ridley Park US-PA (39.8768,-75.3308)
  7. Budgerigar Melopsittacus undulatus
    # Count: 1
    Date:
    Observer: Regina Hildwine
    Location: Aldan PA, Delaware county, home
  8. Cockatiel Nymphicus hollandicus
    # Count: 1
    Date:
    Observer: Jim McConnell
    Location: John Heinz NWR--wetlands (Delaware Co.)
  9. Black Swan Cygnus atratus
    # Count: 1
    Date:
    Observer: Eric Hartshaw
    Location: eastern university pond
  10. Ruddy Shelduck Tadorna ferruginea
    # Count: 1
    Date:
    Observer: Scott Ranger
    Location: John Heinz NWR--wetlands (Delaware Co.)

Hybrids (10)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: John Heinz NWR--wetlands (Delaware Co.)
  2. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Edward Dolan
    Location: John Heinz NWR--wetlands (Delaware Co.)
  3. Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensis
    # Count: 1
    Date:
    Observer: Brian Quindlen
    Location: Brinton Lake
  4. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Deborah Hansen
    Location: East Lake Park (incl. Ridley Park Lake)
  5. Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis
    # Count: 1
    Date:
    Observer: Shane Murphy
    Location: John Heinz NWR--wetlands (Delaware Co.)
  6. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    # Count: 1
    Date:
    Observer: John Daniel
    Location: John Heinz NWR--wetlands (Delaware Co.)
  7. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    # Count: 1
    Date:
    Observer: Jeffrey Gordon
    Location: Ridley Creek State Park, Media US-PA 39.94566, -75.42077
  8. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Samuel Neat
    Location: Ridley Creek SP--Bridle Trail
  9. Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillus
    # Count: 5
    Date:
    Observer: james jackson
    Location: US-Pennsylvania-Glen Mills-185 Glen Mills Road - 39.919x-75.501 - Mar 14, 2017 4:10 PM
  10. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    # Count: 2
    Date:
    Observer: John Mercer
    Location: Thornbury Twp. Trail

Additional Taxa (97)

  1. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  2. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Heinz Wetlands Bike Trail Part 3
  3. crow sp. Corvus sp. (crow sp.)
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Chadds Ford Marsh
  4. passerine sp. Passeriformes sp.
    # Count: 30
    Date:
    Observer: Kristy Eleftheriou
    Location: Chester Park
  5. swallow sp. Hirundinidae sp.
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Tyler Arboretum
  6. new world warbler sp. Parulidae sp.
    # Count: X
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  7. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  8. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  9. shorebird sp. Charadriiformes sp.
    # Count: X
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  10. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 1
    Date:
    Observer: Edward Komito
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  11. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Edward Komito
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  12. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Brian Byrnes
    Location: PA - Delaware - Ridley Creek SP - Park Office/Mansion area
  13. sparrow/warbler sp. (trilling song) Passerellidae/Parulidae sp. (trilling song)
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Clayton Park--powerline cuts
  14. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 3
    Date:
    Observer: Anonymous eBirder
    Location: 27 Forest View Rd, Rose Valley US-PA 39.89095, -75.38902
  15. peep sp. Calidris sp. (peep sp.)
    # Count: 4
    Date:
    Observer: Bob Suter
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  16. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Tyler Arboretum
  17. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  18. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  19. crow/raven sp. Corvus sp.
    # Count: 1
    Date:
    Observer: Jamie Zigarelli
    Location: Haverford Reserve
  20. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 3
    Date:
    Observer: Sheryl Johnson
    Location: Delaware County Community College
  21. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Madison Burch
    Location: Crum Woods
  22. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Paul Mulholland
    Location: Haverford Reserve
  23. gull/tern sp. Laridae sp.
    # Count: 1
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  24. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  25. waterfowl sp. Anatidae sp.
    # Count: X
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  26. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Ridley Creek SP--Bridle Trail
  27. Lincoln's/Swamp Sparrow Melospiza lincolnii/georgiana
    # Count: 1
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  28. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Kristy Eleftheriou
    Location: Tyler Arboretum
  29. blackbird sp. Icteridae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Hunters Creek--South Marsh (restricted access) [HUCR-SM]
  30. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 3
    Date:
    Observer: Ezekiel Smith
    Location: Gillespie Park
  31. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Neha Nataraj
    Location: Chanticleer Garden
  32. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Yard
  33. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 2
    Date:
    Observer: John Zygmunt
    Location: Springton Reservoir (restricted access)
  34. new world vulture sp. Cathartidae sp.
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Ridley Creek SP (IBA)
  35. duck sp. Anatidae (duck sp.)
    # Count: 2
    Date:
    Observer: John Drake
    Location: 314 Crestview Circle, Media, Pennsylvania, US
  36. swan sp. Cygnus sp.
    # Count: 5
    Date:
    Observer: Debbie Beer
    Location: Chester Riverfront at Commodore Barry Bridge
  37. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: Allison Starr
    Location: 500 S Sellers Ave, Ridley Park US-PA 39.86997, -75.31862
  38. cormorant sp. Phalacrocoracidae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Chester Riverfront at Commodore Barry Bridge
  39. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Date:
    Observer: Debbie Beer
    Location: Springton Reservoir (restricted access)
  40. finch sp. Fringillidae sp.
    # Count: 1
    Date:
    Observer: MB Dostillio
    Location: 122 Station Road, Glen Mills, Pennsylvania, US (39.874, -75.515)
  41. Aythya sp. Aythya sp.
    # Count: 15
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  42. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: John Drake
    Location: Crestview Circle
  43. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  44. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  45. nuthatch sp. Sitta sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: GVHS Track [GVSD-HT]
  46. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: GVHS Track [GVSD-HT]
  47. Bohemian/Cedar Waxwing Bombycilla garrulus/cedrorum
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion--Driveway (my yard) [GRMR-Dr]
  48. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Garnet Valley Middle School [GVSD-MS]
  49. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Garnet Valley High School Environmental Trail (no access during school hours)
  50. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Ted Wolff
    Location: Governor Printz Park
  51. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Hunters Creek--north side (restricted access) [HUCR-NM]
  52. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 2
    Date:
    Observer: Ethan K
    Location: Backyard Hawk Watch (only when primary purpose is for migrating raptors) [GRMR-BY]
  53. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Bush Hill Farm
  54. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 10
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  55. Red/Red-necked Phalarope Phalaropus fulicarius/lobatus
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  56. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Hunters Creek--north side (restricted access) [HUCR-NM]
  57. teal sp. Anatidae sp. (teal sp.)
    # Count: 20
    Date:
    Observer: Edward Dolan
    Location: John Heinz NWR--wetlands (Delaware Co.)
  58. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  59. pewee sp. (Contopus sp.) Contopus sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion--Driveway (my yard) [GRMR-Dr]
  60. thrush sp. Turdidae sp.
    # Count: 2
    Date:
    Observer: Ethan K NFC Station
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  61. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 1
    Date:
    Observer: Eric Zawatski
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  62. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  63. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 2
    Date:
    Observer: Sheryl Johnson
    Location: Ridley Creek SP--Bridle Trail
  64. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: First State NHP--Beaver Valley (PA)
  65. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  66. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Chanticleer Garden
  67. small plover sp. Charadrius/Anarhynchus sp.
    # Count: 3
    Date:
    Observer: John Zygmunt
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  68. Passerina sp. Passerina sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  69. loon sp. Gavia sp.
    # Count: 1
    Date:
    Observer: Christopher Hinkle
    Location: Marcus Hook Municipal Park
  70. Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritum
    # Count: 1
    Date:
    Observer: John Drake
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  71. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Zelia M
    Location: Ridley Creek SP (IBA)
  72. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: John Drake
    Location: Chester Riverfront at Commodore Barry Bridge
  73. mimid sp. Mimidae sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Smallbrook Sanctuary at Hillsborough
  74. Branta sp. Branta sp.
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus Residence (2017-2023)--Wallingford PA
  75. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 4
    Date:
    Observer: John Drake
    Location: Springton Reservoir (restricted access)
  76. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: John Drake
    Location: 314 Crestview Circle, Media, Pennsylvania, US
  77. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  78. Leiothlypis sp. Leiothlypis sp.
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Rachel Kohl Library Walking Trail
  79. vireo sp. (Red-eyed Vireo complex) Vireo sp. (Red-eyed Vireo complex)
    # Count: 1
    Date:
    Observer: Ethan K
    Location: Greycar Rion Memorial Refuge (my yard) [GRMR-BY]
  80. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 1
    Date:
    Observer: Brian Byrnes
    Location: Newlin Grist Mill Park
  81. Sterna sp. Sterna sp.
    # Count: 6
    Date:
    Observer: Ross Gallardy
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  82. pigeon/dove sp. Columbidae sp.
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Fergus Residence (2017-2023)--Wallingford PA
  83. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 1
    Date:
    Observer: Tom Bush
    Location: John Heinz NWR--wetlands (Delaware Co.)
  84. Taiga/Tundra Bean-Goose Anser fabalis/serrirostris
    # Count: 1
    Date:
    Observer: Dennis Miranda
    Location: Rolling Green Golf Club
  85. scoter sp. Melanitta sp.
    # Count: 2
    Date:
    Observer: Debbie Beer
    Location: Springton Reservoir (restricted access)
  86. King/Clapper Rail Rallus elegans/crepitans
    # Count: 1
    Date:
    Observer: Rob Fergus NFC Station
    Location: Fergus DELCO NFC station
  87. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 5
    Date:
    Observer: Kristen Johnson
    Location: Haverford Yard DelCo
  88. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    # Count: 1
    Date:
    Observer: Nathaniel Sharp
    Location: Ridley Creek SP--Bridle Trail
  89. Lazuli/Indigo Bunting Passerina amoena/cyanea
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  90. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    # Count: 1
    Date:
    Observer: Rob Fergus
    Location: Ridley Creek SP--Bridle Trail
  91. cuckoo sp. (Cuculidae sp.) Cuculidae sp.
    # Count: 1
    Date:
    Observer: David Eberly
    Location: Ridley Creek SP--Bridle Trail
  92. phalarope sp. Phalaropus sp.
    # Count: 1
    Date:
    Observer: Bert Harris
    Location: Delaware River
  93. chickadee sp. Poecile sp.
    # Count: 2
    Date:
    Observer: Amy Davis
    Location: West Chester CBC Area 4
  94. Common/Arctic Tern Sterna hirundo/paradisaea
    # Count: 2
    Date:
    Observer: Jason Horn
    Location: Delaware River--Hog Island Rd. (Delaware Co.)
  95. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: X
    Date:
    Observer: PORC Data
    Location: Marcus Hook
  96. Tringa sp. Tringa sp.
    # Count: 1
    Date:
    Observer: Nick Pulcinella
    Location: Springton Reservoir (restricted access)
  97. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 8
    Date:
    Observer: R. Dale Twining (1921-2014) Birding Records Project Data
    Location: Tinicum