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Bird List

Updated ~20 hours ago
344 All Years 200 This Year 2024 189 This Month Apr 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (344)

  1. Tufted Titmouse Baeolophus bicolor
    # Count: 1
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  2. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  3. Gray Catbird Dumetella carolinensis
    # Count: 5
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  4. White-throated Sparrow Zonotrichia albicollis
    # Count: 2
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  5. Yellow-rumped Warbler Setophaga coronata
    # Count: 1
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  6. Northern Cardinal Cardinalis cardinalis
    # Count: 3
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Nature Trail
  7. Chimney Swift Chaetura pelagica
    # Count: 2
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  8. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  9. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  10. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  11. Blue Jay Cyanocitta cristata
    # Count: 2
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  12. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  13. House Wren Troglodytes aedon
    # Count: 2
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  14. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  15. House Sparrow Passer domesticus
    # Count: 4
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  16. American Goldfinch Spinus tristis
    # Count: 3
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  17. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  18. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  19. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  20. Brown-headed Cowbird Molothrus ater
    # Count: 2
    Date:
    Observer: Max Wilson
    Location: Warde Terrace
  21. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  22. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  23. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  24. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  25. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  26. American Robin Turdus migratorius
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  27. Northern Parula Setophaga americana
    # Count: 2
    Date:
    Observer: Jonathan Cook
    Location: Sligo Creek Park--Wayne Ave. to south end
  28. Canada Goose Branta canadensis
    # Count: 4
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Pond
  29. Wood Duck Aix sponsa
    # Count: 3
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Pond
  30. Green Heron Butorides virescens
    # Count: 2
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Pond
  31. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Pond
  32. Red-winged Blackbird Agelaius phoeniceus
    # Count: 4
    Date:
    Observer: Gary Chirlin
    Location: Crabbs Branch Pond
  33. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Private Property
  34. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Private Property
  35. Worm-eating Warbler Helmitheros vermivorum
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Private Property
  36. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Lawrence Rubey
    Location: Holmhurst
  37. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Lawrence Rubey
    Location: Holmhurst
  38. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Stanley Elswick
    Location: 19401 Treadway Road, Brookeville, Maryland, US (39.172, -77.072)
  39. Mourning Dove Zenaida macroura
    # Count: 3
    Date:
    Observer: Thomas Lopez
    Location: Prrs
  40. Mallard Anas platyrhynchos
    # Count: 3
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  41. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  42. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  43. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  44. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  45. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  46. Carolina Chickadee Poecile carolinensis
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  47. Tree Swallow Tachycineta bicolor
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  48. Eastern Bluebird Sialia sialis
    # Count: 2
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  49. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  50. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  51. Red-tailed Hawk Buteo jamaicensis
    # Count: 2
    Date:
    Observer: Danielle Lafferty
    Location: NIH Clinical Center
  52. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: I-270 S, Rockville US-MD 39.06553, -77.15721
  53. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Keith Rutter
    Location: 2610 Belle Crest Lane
  54. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  55. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  56. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  57. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  58. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  59. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  60. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: Cabin John Regional Park
  61. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Jonathan Putnam
    Location: Billy Goat Trail-Section C, Bethesda US-MD 38.97629, -77.20614
  62. Black Vulture Coragyps atratus
    # Count: 1
    Date:
    Observer: Jonathan Putnam
    Location: Billy Goat Trail-Section C, Bethesda US-MD 38.97629, -77.20614
  63. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Jonathan Putnam
    Location: Billy Goat Trail-Section C, Bethesda US-MD 38.97629, -77.20614
  64. Double-crested Cormorant Nannopterum auritum
    # Count: 4
    Date:
    Observer: Julie Grandfield
    Location: 'First Loop'
  65. Barn Swallow Hirundo rustica
    # Count: 5
    Date:
    Observer: Julie Grandfield
    Location: 'First Loop'
  66. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  67. Cedar Waxwing Bombycilla cedrorum
    # Count: 3
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  68. Swamp Sparrow Melospiza georgiana
    # Count: 2
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  69. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  70. Yellow Warbler Setophaga petechia
    # Count: 2
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  71. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  72. Common Merganser Mergus merganser
    # Count: 2
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  73. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  74. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  75. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  76. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 14
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  77. Prothonotary Warbler Protonotaria citrea
    # Count: 2
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  78. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Tyler Meneely
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  79. Solitary Sandpiper Tringa solitaria
    # Count: 2
    Date:
    Observer: Cheryl Shimer
    Location: Lake Hallowell
  80. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Jonathan Cook
    Location: Home
  81. Purple Martin Progne subis
    # Count: 4
    Date:
    Observer: Cheryl Shimer
    Location: Lake Hallowell
  82. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Lisa Burke
    Location: Lake Frank
  83. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: Lisa Burke
    Location: Lake Frank
  84. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Scott Young
    Location: 000Our Yard - North Potomac
  85. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Brett Gleitsmann
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  86. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: Jim P
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  87. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Moyer Rd. Local Park
  88. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Roy Howard
    Location: Muddy Branch Trail--Quince Orchard Rd. - Turkey Foot Rd.
  89. Yellow-breasted Chat Icteria virens
    # Count: 2
    Date:
    Observer: Robin Skinner
    Location: Home
  90. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Robin Skinner
    Location: Home
  91. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Clive Harris
    Location: Upper Watts Branch Park
  92. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Anne Mytych
    Location: Lake Frank
  93. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Emily Lange
    Location: Westmoreland Hills Local Park, Bethesda US-MD 38.95226, -77.10909
  94. Blue Grosbeak Passerina caerulea
    # Count: 2
    Date:
    Observer: Ron Johnson
    Location: Redgate Park
  95. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Brett Gleitsmann
    Location: Northwest Branch Trail--Burnt Mills
  96. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Brett Gleitsmann
    Location: Northwest Branch Trail--Burnt Mills
  97. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  98. Bank Swallow Riparia riparia
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  99. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Amy Christianson
    Location: Lake Hallowell
  100. Tundra Swan Cygnus columbianus
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  101. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  102. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  103. Ring-billed Gull Larus delawarensis
    # Count: 6
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  104. Great Egret Ardea alba
    # Count: 13
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  105. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  106. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Rob Hilton
    Location: Yard
  107. Killdeer Charadrius vociferus
    # Count: 3
    Date:
    Observer: Anonymous eBirder
    Location: Wheaton Branch Stormwater Ponds
  108. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Wheaton Branch Stormwater Ponds
  109. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: Lynn Kieffer
    Location: McKee Beshers Wildlife Management Area Trail System, Poolesville US-MD 39.08150, -77.40406
  110. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Hughes Hollow - McKee Beshers WMA
  111. Wild Turkey Meleagris gallopavo
    # Count: 2
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Hughes Hollow - McKee Beshers WMA
  112. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Hughes Hollow - McKee Beshers WMA
  113. Sora Porzana carolina
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Hughes Hollow - McKee Beshers WMA
  114. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Hughes Hollow - McKee Beshers WMA
  115. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: kathy brown
    Location: Lake Frank
  116. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Sycamore Landing Rd. fields
  117. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: Sycamore Landing Rd. fields
  118. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Ron Johnson
    Location: Blue Mash Nature Trail
  119. Lesser Yellowlegs Tringa flavipes
    # Count: 3
    Date:
    Observer: Stacy Rabinovitz
    Location: Lake Needwood
  120. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Stacy Rabinovitz
    Location: Lake Needwood
  121. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Robyn Muncy
    Location: Nature Forward (formerly ANS)- Woodend Sanctuary
  122. American Pipit Anthus rubescens
    # Count: 2
    Date:
    Observer: george borden
    Location: Needwood Mansion, pond and trails
  123. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: Sare Demarest
    Location: C&O Canal--Violette's Lock
  124. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Janet Dale
    Location: 13499 Sycamore Landing Rd, Poolesville US-MD 39.07474, -77.42045
  125. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Courtney Paolucci
    Location: 13707 Mt Prospect Dr, Rockville US-MD 39.07816, -77.24615
  126. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 2
    Date:
    Observer: Sare Demarest
    Location: Hughes Hollow - McKee Beshers WMA
  127. Eastern Meadowlark Sturnella magna
    # Count: 1
    Date:
    Observer: Greg Cooksey
    Location: Izaak Walton Way (bird from road only)
  128. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Emily Grason
    Location: 21605 New Hampshire Ave, Brookeville US-MD 39.22172, -77.03838
  129. American Coot Fulica americana
    # Count: 3
    Date:
    Observer: Jim Ivett
    Location: Hughes Hollow - McKee Beshers WMA
  130. Marsh Wren Cistothorus palustris
    # Count: 2
    Date:
    Observer: Jim Ivett
    Location: Hughes Hollow - McKee Beshers WMA
  131. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: John Sojda
    Location: Izaak Walton Way (bird from road only)
  132. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Rachel Carson Conservation Park
  133. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Mike Saccone
    Location: Backyard
  134. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Jackie Raiford
    Location: Shale Barrens
  135. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: Homestead Farm (restricted access - bird from roadside)
  136. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Anne Mytych
    Location: Watkins Ponds - King Farm Stream Park
  137. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Ron Johnson
    Location: Lake Needwood
  138. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Sycamore Landing
  139. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Gemma Radko
    Location: Little Bennett Regional Park
  140. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Vickie Baily
    Location: Home
  141. Pine Siskin Spinus pinus
    # Count: 2
    Date:
    Observer: Vickie Baily
    Location: Home
  142. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Sycamore Landing
  143. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Meadowbrook Park (Montgomery Co.)
  144. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  145. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 2
    Date:
    Observer: Anne Mytych
    Location: Needwood Mansion, pond and trails
  146. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Glenda Soriano
    Location: Seneca Creek SP--Clopper Lake
  147. Grasshopper Sparrow Ammodramus savannarum
    # Count: 4
    Date:
    Observer: Maya O'Connor
    Location: Wheaton Regional Park
  148. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Woody & Rae Dubois
    Location: Lake Needwood
  149. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Matt Winter
    Location: Hughes Hollow - McKee Beshers WMA
  150. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: Hughes Hollow - McKee Beshers WMA
  151. American Woodcock Scolopax minor
    # Count: 1
    Date:
    Observer: John Sojda
    Location: Izaak Walton Way (bird from road only)
  152. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Tim Carney
    Location: Spencerville Adventist Academy
  153. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Tucker Lane, Ashton
  154. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Tucker Lane, Ashton
  155. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Toni Evans
    Location: Chesapeake and Ohio Canal Trail, Dickerson US-MD 39.17007, -77.50853
  156. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Agricultural History Farm Park
  157. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Agricultural History Farm Park
  158. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Agricultural History Farm Park
  159. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Hughes Hollow - McKee Beshers WMA
  160. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Roy Howard
    Location: Hughes Hollow - McKee Beshers WMA
  161. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Will Knowland
    Location: Lake Churchill, Germantown
  162. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  163. American White Pelican Pelecanus erythrorhynchos
    # Count: 1
    Date:
    Observer: Carla Morris
    Location: C&O Canal--Violette's Lock
  164. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Michael McCloy
    Location: C&O Canal--Sycamore Landing
  165. Common Gallinule Gallinula galeata
    # Count: 1
    Date:
    Observer: John Sojda
    Location: Hughes Hollow - McKee Beshers WMA
  166. Lesser Scaup Aythya affinis
    # Count: 3
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  167. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Michael McCloy
    Location: 19505 Ridge Heights Dr, Gaithersburg
  168. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Bilcha A
    Location: Rachel Carson Greenway Trail--Springbrook HS - Kemp Mill
  169. Green-winged Teal Anas crecca
    # Count: 5
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  170. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Stan Smith
    Location: Lake Hallowell
  171. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: C&O Canal--Violette's Lock
  172. Forster's Tern Sterna forsteri
    # Count: 1
    Date:
    Observer: Mark Largess
    Location: C&O Canal--Violette's Lock
  173. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Carla Morris
    Location: 15604 Sugarland Rd, Poolesville US-MD 39.10586, -77.35526
  174. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Ed Escalante
    Location: LBRP Golf Course - Prescott Rd
  175. Gadwall Mareca strepera
    # Count: 3
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  176. Least Sandpiper Calidris minutilla
    # Count: 3
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  177. American Wigeon Mareca americana
    # Count: 3
    Date:
    Observer: Tom Kimbis
    Location: C&O Canal--Riley's Lock
  178. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: David Duren
    Location: Hughes Hollow - McKee Beshers WMA
  179. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Riley's Lock
  180. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  181. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  182. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: David Farner
    Location: Little Bennett RP--Browning Run area
  183. Northern Shoveler Spatula clypeata
    # Count: 1
    Date:
    Observer: Robyn Muncy
    Location: Blue Mash Nature Trail
  184. Canvasback Aythya valisineria
    # Count: 1
    Date:
    Observer: Woody & Rae Dubois
    Location: Triadelphia Reservoir--Greenbridge Rd.
  185. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Moyer Rd. Local Park
  186. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Robin Skinner
    Location: Home
  187. Redhead Aythya americana
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  188. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Igor Taimassov
    Location: C&O Canal--Pennyfield Lock
  189. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Scott Young
    Location: Hughes Hollow - McKee Beshers WMA
  190. Pectoral Sandpiper Calidris melanotos
    # Count: 4
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Sycamore Landing
  191. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: C&O Canal--Riley's Lock
  192. Sandhill Crane Antigone canadensis
    # Count: 1
    Date:
    Observer: Roy Howard
    Location: Hughes Hollow - McKee Beshers WMA
  193. Cackling Goose Branta hutchinsii
    # Count: 2
    Date:
    Observer: Louis Campagna
    Location: Gunners Lake
  194. American Tree Sparrow Spizelloides arborea
    # Count: 1
    Date:
    Observer: Kay Madsen
    Location: C&O Canal--Violette's Lock
  195. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Dan Neumann
    Location: AMV
  196. Snow Goose Anser caerulescens
    # Count: 11
    Date:
    Observer: Anonymous eBirder
    Location: Carderock Recreation Area
  197. Lapland Longspur Calcarius lapponicus
    # Count: 1
    Date:
    Observer: Clive Harris
    Location: Patton Farms (formerly Patton Turf Farm)
  198. White-winged Scoter Melanitta deglandi
    # Count: 4
    Date:
    Observer: Roy Howard
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  199. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Patton Farms (formerly Patton Turf Farm)
  200. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Kevin Achtmeyer
    Location: Private Property, Poolesville -- General
  201. Black-headed Gull Chroicocephalus ridibundus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Patton Farms (formerly Patton Turf Farm)
  202. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Riley's Lock
  203. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Eva R
    Location: Redgate Park
  204. Laughing Gull Leucophaeus atricilla
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: C&O Canal--Violette's Lock
  205. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Jim Stasz
    Location: Woodstock Equestrian Park - West (Greenberg) area
  206. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  207. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Riley's Lock
  208. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  209. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  210. Black-legged Kittiwake Rissa tridactyla
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  211. White-rumped Sandpiper Calidris fuscicollis
    # Count: 2
    Date:
    Observer: Jared Fisher
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  212. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Daniel S.
    Location: C&O Canal--Swains Lock
  213. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Robin Skinner
    Location: Home
  214. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Tim Boucher
    Location: Halbert Hook Road
  215. American Golden-Plover Pluvialis dominica
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  216. Blackpoll Warbler Setophaga striata
    # Count: 2
    Date:
    Observer: Julia Ross
    Location: Capital Crescent Trail at Rock Creek Trail
  217. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Jared Fisher NFC Station
    Location: Straw Bale Lane
  218. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Tom Kimbis
    Location: C&O Canal--Pennyfield Lock
  219. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Marina True
    Location: Chaney Drive Takoma Park, MD 20912
  220. Eastern Wood-Pewee Contopus virens
    # Count: 1
    Date:
    Observer: William Heinle
    Location: Rachel Carson Conservation Park
  221. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Don Simonson
    Location: C&O Canal--Violette's Lock
  222. Roseate Spoonbill Platalea ajaja
    # Count: 1
    Date:
    Observer: John Sojda
    Location: C&O Canal--Violette's Lock
  223. Common Nighthawk Chordeiles minor
    # Count: 9
    Date:
    Observer: Stephen Lofgren
    Location: C&O Canal--Sycamore Landing
  224. Semipalmated Sandpiper Calidris pusilla
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  225. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hughes Rd. polo fields
  226. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Bilcha A
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  227. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Jim Ivett
    Location: Welsh Park, Rockville
  228. Black-bellied Plover Pluvialis squatarola
    # Count: 3
    Date:
    Observer: Dave Czaplak
    Location: Summit Hall Turf Farm (private)
  229. Semipalmated Plover Charadrius semipalmatus
    # Count: 2
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  230. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  231. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Triadelphia Reservoir--Big Branch (Montgomery Co.)
  232. Red-necked Phalarope Phalaropus lobatus
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  233. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Matt Peppe
    Location: Lake Frank
  234. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  235. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Daniel S.
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  236. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Rocky Hill Middle School Fields
  237. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: David Roberts
    Location: Hughes Hollow - McKee Beshers WMA
  238. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Robin Skinner
    Location: Home
  239. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Lydia Schindler
    Location: Woodstock Equestrian Park - West (Greenberg) area
  240. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Roy Howard
    Location: C&O Canal--Sycamore Landing
  241. Least Bittern Ixobrychus exilis
    # Count: 1
    Date:
    Observer: Jared Fisher NFC Station
    Location: C&O Canal--Sycamore Landing
  242. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  243. Limpkin Aramus guarauna
    # Count: 1
    Date:
    Observer: Michael Kircher
    Location: C&O Canal--Pennyfield Lock
  244. Common Tern Sterna hirundo
    # Count: 5
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Riley's Lock
  245. Black Tern Chlidonias niger
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  246. Stilt Sandpiper Calidris himantopus
    # Count: 1
    Date:
    Observer: Kel Varnsen
    Location: Potomac River, Poolesville US-MD 39.06224, -77.36846
  247. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Michael McCloy
    Location: Triadelphia Reservoir, Brookeville US-MD (39.2224,-77.0328)
  248. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Moyer Rd. Local Park
  249. Whimbrel Numenius phaeopus
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  250. White Ibis Eudocimus albus
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Riley's Lock
  251. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Nathan Tea
    Location: Blue Mash Nature Trail
  252. American Avocet Recurvirostra americana
    # Count: 7
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  253. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Kurt Schwarz
    Location: Blue Mash Nature Trail
  254. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Eva R
    Location: Crabbs Branch Stream Park Derwood 2
  255. Bicknell's Thrush Catharus bicknelli
    # Count: 1
    Date:
    Observer: Jared Fisher NFC Station
    Location: Straw Bale Lane
  256. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  257. Anhinga Anhinga anhinga
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  258. Swallow-tailed Kite Elanoides forficatus
    # Count: 2
    Date:
    Observer: Rob Hilton
    Location: Welsh Park, Rockville
  259. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Gude Trail--E. Gude Dr. - Lake Needwood
  260. Glossy Ibis Plegadis falcinellus
    # Count: 2
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  261. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Martin Boer
    Location: Crabbs Branch Pond
  262. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Margaret Poethig
    Location: Potomac River, Potomac US-MD (39.0212,-77.2429)
  263. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Patuxent River SP--Rte. 97 (Montgomery Co.)
  264. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Dave Ziolkowski Jr
    Location: 22341 Flintridge Dr. (Private, No Trespassing), Brookeville US-MD
  265. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  266. Cave Swallow Petrochelidon fulva
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  267. Mottled Duck Anas fulvigula
    # Count: 1
    Date:
    Observer: justin golden
    Location: Billy Goat Trail Section C, Potomac, Maryland, US (38.977, -77.206)
  268. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: Backyard, Potomac US-MD 39.04432, -77.26707
  269. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: John Sojda
    Location: Patton Farms (formerly Patton Turf Farm)
  270. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Jonathan Putnam
    Location: Blue Mash Nature Trail
  271. Trumpeter Swan Cygnus buccinator
    # Count: 3
    Date:
    Observer: John Sojda
    Location: Triadelphia Reservoir--Greenbridge Rd.
  272. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Violette's Lock
  273. Franklin's Gull Leucophaeus pipixcan
    # Count: 1
    Date:
    Observer: John Sojda
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  274. Nelson's Sparrow Ammospiza nelsoni
    # Count: 1
    Date:
    Observer: Tom Kimbis
    Location: Gude Trail--E. Gude Dr. - Lake Needwood
  275. Wood Stork Mycteria americana
    # Count: 1
    Date:
    Observer: Michael Kircher
    Location: C&O Canal--Pennyfield Lock
  276. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Riley's Lock
  277. Black-bellied Whistling-Duck Dendrocygna autumnalis
    # Count: 10
    Date:
    Observer: Ross Geredien
    Location: Hunting Quarter Rd, Poolesville US-MD 39.08366, -77.40508
  278. Henslow's Sparrow Centronyx henslowii
    # Count: 1
    Date:
    Observer: Amy Christianson
    Location: Lake Hallowell
  279. Common Redpoll Acanthis flammea
    # Count: 3
    Date:
    Observer: Johnnie Ramos
    Location: Hughes Hollow - McKee Beshers WMA
  280. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Riley's Lock
  281. Painted Bunting Passerina ciris
    # Count: 1
    Date:
    Observer: Karen Brandt
    Location: C&O Canal--Great Falls
  282. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Michael Barsky
    Location: Hughes Hollow - McKee Beshers WMA
  283. Sedge Wren Cistothorus stellaris
    # Count: 1
    Date:
    Observer: Hans Holbrook
    Location: Burtonsville Park
  284. Red Phalarope Phalaropus fulicarius
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  285. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Violette's Lock
  286. Least Tern Sternula antillarum
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  287. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  288. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Andy Martin
    Location: Poplar Spring Animal Sanctuary (private)
  289. LeConte's Sparrow Ammospiza leconteii
    # Count: 1
    Date:
    Observer: Gail Mackiernan
    Location: NW Branch Park -Sherwood Forest area
  290. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: Frederick Atwood
    Location: C&O Canal--Violette's Lock
  291. Snow Bunting Plectrophenax nivalis
    # Count: 1
    Date:
    Observer: Jim Tate
    Location: KSKuts butcher
  292. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: David Palmer
    Location: Rachel Carson Conservation Park
  293. Western Sandpiper Calidris mauri
    # Count: 1
    Date:
    Observer: Clive Harris
    Location: Hughes Rd. polo fields
  294. Clapper Rail Rallus crepitans
    # Count: 1
    Date:
    Observer: Robert Garriock
    Location: 11246–11298 Fern St, Silver Spring US-MD (39.0401,-77.0497)
  295. Shiny Cowbird Molothrus bonariensis
    # Count: 1
    Date:
    Observer: Joshua Heiser
    Location: Heiser Yard
  296. King Eider Somateria spectabilis
    # Count: 1
    Date:
    Observer: Alex Wiebe
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  297. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Ryan Fick
    Location: C&O Canal--Edwards Ferry
  298. Seaside Sparrow Ammospiza maritima
    # Count: 1
    Date:
    Observer: Sharon Forsyth
    Location: Ken-Gar Palisades Park
  299. Chuck-will's-widow Antrostomus carolinensis
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Park Summit neighborhood/Malcolm King Park, Gaithersburg
  300. Ash-throated Flycatcher Myiarchus cinerascens
    # Count: 1
    Date:
    Observer: Wayne Baumgartner
    Location: stakeout Ash-throated Flycatcher, Montgomery County (2016)
  301. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: Hughes Hollow - McKee Beshers WMA
  302. Gull-billed Tern Gelochelidon nilotica
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  303. Snowy Owl Bubo scandiacus
    # Count: 1
    Date:
    Observer: Don Simonson
    Location: US-MD-Germantown-14911 Springfield Rd - 39.0900x-77.3099
  304. Arctic Tern Sterna paradisaea
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Violette's Lock
  305. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hughes Hollow - McKee Beshers WMA
  306. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Leslie Starr
    Location: Insley St, Silver Spring, MD
  307. White-winged Crossbill Loxia leucoptera
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hoyles Mill Conservation Park
  308. Black Skimmer Rynchops niger
    # Count: 1
    Date:
    Observer: Brendan Lanpher
    Location: C&O Canal--Violette's Lock
  309. Pomarine Jaeger Stercorarius pomarinus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  310. King Rail Rallus elegans
    # Count: 1
    Date:
    Observer: Jim Stasz
    Location: Hughes Hollow - McKee Beshers WMA
  311. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Black Hill Regional Park
  312. Yellow Rail Coturnicops noveboracensis
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hughes Hollow - McKee Beshers WMA
  313. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Mile 29 Potomac River
  314. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Timothy Guida
    Location: C&O Canal--Violette's Lock
  315. Purple Gallinule Porphyrio martinica
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: Hughes Hollow - McKee Beshers WMA
  316. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Edge of turf farm, Sycamore Landing
  317. White-winged Dove Zenaida asiatica
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Hunting Quarter Rd x River Rd
  318. Sooty Tern Onychoprion fuscatus
    # Count: 1
    Date:
    Observer: Edward Patten
    Location: C&O Canal--Riley's Lock
  319. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: David S. Engelen
    Location: C&O Canal - River Trail
  320. Eurasian Collared-Dove Streptopelia decaocto
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Rockville--Castaway Dr
  321. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Kurt Schwarz
    Location: Hughes Road--Hunt View Farm (private)
  322. Townsend's Warbler Setophaga townsendi
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Edge of turf farm, Sycamore Landing
  323. Glaucous Gull Larus hyperboreus
    # Count: 1
    Date:
    Observer: Kurt Schwarz
    Location: Triadelphia Reservoir--Brighton Dam (Mont. Co.)
  324. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: George Jett
    Location: Seneca Creek SP--Clopper Lake
  325. Harlequin Duck Histrionicus histrionicus
    # Count: 1
    Date:
    Observer: James Swanson
    Location: Black Hill Regional Park
  326. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Gregg Rd x Zion Rd
  327. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  328. California Gull Larus californicus
    # Count: 1
    Date:
    Observer: Ottavio Janni
    Location: Oaks Landfill (private)
  329. Spotted Towhee Pipilo maculatus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Derwood--Bowie Mill Rd x N Branch Rock Creek
  330. Hoary Redpoll Acanthis hornemanni
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Todd-Czaplak Home
  331. Bewick's Wren Thryomanes bewickii
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: C&O Canal--Violette's Lock
  332. Yellow-legged Gull Larus michahellis
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Laytonsville 108 Pond (destroyed)
  333. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Laytonsville 108 Pond (destroyed)
  334. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Bethesda--Brite Dr
  335. Loggerhead Shrike Lanius ludovicianus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Hughes Hollow - McKee Beshers WMA
  336. Fulvous Whistling-Duck Dendrocygna bicolor
    # Count: 9
    Date:
    Observer: MD Admin (Carney)
    Location: C&O Canal--Violette's Lock
  337. Pine Grosbeak Pinicola enucleator
    # Count: 4
    Date:
    Observer: MD Admin (Carney)
    Location: Gude's Nursery (historical)
  338. Black-headed Grosbeak Pheucticus melanocephalus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Westmoreland Hills
  339. Boreal Chickadee Poecile hudsonicus
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Gude's Nursery (historical)
  340. Bachman's Sparrow Peucaea aestivalis
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Cabin John
  341. Thick-billed Murre Uria lomvia
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Kensington
  342. Barn Owl Tyto alba
    # Count: 1
  343. Long-eared Owl Asio otus
    # Count: 4
  344. Black Rail Laterallus jamaicensis
    # Count: 1

Exotic: Escapee (11)

  1. Silver Pheasant Lophura nycthemera
    # Count: 1
    Date:
    Observer: hauwa Usman
    Location: Cloverly
  2. Chukar Alectoris chukar
    # Count: 1
    Date:
    Observer: Ryan and Kathryn Carr
    Location: C&O Canal--Sycamore Landing
  3. Muscovy Duck Cairina moschata
    # Count: 3
    Date:
    Observer: Roy Howard
    Location: Patton Farms (formerly Patton Turf Farm)
  4. Graylag Goose Anser anser
    # Count: 6
    Date:
    Observer: Kevin Achtmeyer
    Location: Private Property, Poolesville -- General
  5. Swan Goose Anser cygnoides
    # Count: 1
    Date:
    Observer: Kevin Achtmeyer
    Location: Private Property, Poolesville -- General
  6. Budgerigar Melopsittacus undulatus
    # Count: 1
    Date:
    Observer: diane Ford
    Location: Rock Creek/Parkwood
  7. Ringed Teal Callonetta leucophrys
    # Count: 1
    Date:
    Observer: Matthew Rine
    Location: Watkins Ponds - King Farm Stream Park
  8. White-cheeked Pintail Anas bahamensis
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Pennyfield Lock
  9. Rose-ringed Parakeet Psittacula krameri
    # Count: 1
    Date:
    Observer: Don Chauls
    Location: Brooke Grove, Sandy Spring
  10. Monk Parakeet Myiopsitta monachus
    # Count: 1
    Date:
    Observer: Evelyn Ralston
    Location: NIH-MLP6
  11. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: Hughes Hollow - McKee Beshers WMA

Hybrids (12)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  2. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Wheaton Branch Stormwater Ponds
  3. Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Denny Porter
    Location: Banner Country Ct
  4. Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Adeline Louie
    Location: Lake Hallowell
  5. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    # Count: 1
    Date:
    Observer: Jim Ivett
    Location: Patuxent River SP--Howard Chapel Rd. (Montgomery Co.)
  6. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    # Count: 1
    Date:
    Observer: Gabriel Urso
    Location: Little Bennett Regional Park
  7. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Gail Mackiernan
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  8. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Eve Olson
    Location: C&O Canal--Old Angler's Inn - Billy Goat Trail Section B - Widewater
  9. Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensis
    # Count: 2
    Date:
    Observer: Shawn Seeley
    Location: (39.223, -77.081)
  10. Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis
    # Count: 1
    Date:
    Observer: Patrick Newcombe
    Location: Black Hill RP--Boat Ramp area
  11. Snow x Ross's Goose (hybrid) Anser caerulescens x rossii
    # Count: 1
    Date:
    Observer: Kevin Ebert
    Location: Fields along Beach Dr
  12. Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensis
    # Count: 1
    Date:
    Observer: Scott Hodgdon
    Location: Lake Hallowell

Additional Taxa (100)

  1. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 3
    Date:
    Observer: Scott Young
    Location: Conservation Lane
  2. passerine sp. Passeriformes sp.
    # Count: 3
    Date:
    Observer: Ryan Douglas
    Location: Moyer Rd. Local Park
  3. swan sp. Cygnus sp.
    # Count: 1
    Date:
    Observer: Keith Rutter
    Location: 2610 Belle Crest Lane
  4. swallow sp. Hirundinidae sp.
    # Count: 4
    Date:
    Observer: Emily Grason
    Location: 21605 New Hampshire Ave, Brookeville US-MD 39.22172, -77.03838
  5. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 2
    Date:
    Observer: Nathan Parmeter
    Location: Bohrer Park
  6. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Nathan Parmeter
    Location: Bohrer Park
  7. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Magruder Branch Trail--Sweepstakes Rd. trailhead
  8. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Stan Smith
    Location: Blue Mash Nature Trail
  9. peep sp. Calidris sp. (peep sp.)
    # Count: 3
    Date:
    Observer: John Sojda
    Location: C&O Canal--Sycamore Landing
  10. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Robin Skinner
    Location: Home
  11. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Kevin Achtmeyer
    Location: Welsh Park, Rockville
  12. finch sp. Fringillidae sp.
    # Count: 1
    Date:
    Observer: Maya O'Connor
    Location: Wheaton Regional Park
  13. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Robin Todd
    Location: Patuxent River SP--Howard Chapel Rd. (Montgomery Co.)
  14. Trumpeter/Tundra Swan Cygnus buccinator/columbianus
    # Count: 1
    Date:
    Observer: Christine Ley
    Location: C&O Canal--Violette's Lock
  15. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: Jeff Smith
    Location: Hughes Hollow - McKee Beshers WMA
  16. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Kim Tomko
    Location: Spencerville Adventist Academy
  17. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: John McDonough
    Location: Seneca Creek State Park
  18. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: John McDonough
    Location: Seneca Creek State Park
  19. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: Ryan Douglas
    Location: Moyer Rd. Local Park
  20. owl sp. Strigiformes sp.
    # Count: 1
    Date:
    Observer: philip deshong
    Location: 10627 Kinloch Rd, Silver Spring US-MD 39.03093, -76.96835
  21. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 7
    Date:
    Observer: Matt Browne
    Location: C&O Canal--Violette's Lock
  22. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Martha Morris
    Location: Green Farm Conservation Park, Gaithersburg US-MD 39.17140, -77.17545
  23. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Lisa Shannon
    Location: Wheaton Regional Park--Shorefield/mini-train tracks/Pine Lake
  24. crow sp. Corvus sp. (crow sp.)
    # Count: 1
    Date:
    Observer: Laura Lapole
    Location: Croydon Creek Nature Center, Rockville
  25. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Tim Boucher
    Location: Blockhouse Point Conservation Park
  26. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 3
    Date:
    Observer: Michelle Herrmann
    Location: Fallsgrove Stream Valley Park
  27. blackbird sp. Icteridae sp.
    # Count: 15
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Violette's Lock
  28. gull sp. Larinae sp.
    # Count: 50
    Date:
    Observer: Pete Yarrington
    Location: Triadelphia Reservoir--Greenbridge Rd.
  29. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 6
    Date:
    Observer: Daniel Lebbin
    Location: Hughes Hollow - McKee Beshers WMA
  30. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Damascus Recreational Park
  31. falcon sp. Falco sp.
    # Count: 2
    Date:
    Observer: Pete Yarrington
    Location: Blue Mash Nature Trail
  32. wren sp. Troglodytidae sp.
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Gude Trail--E. Gude Dr. - Lake Needwood
  33. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 2
    Date:
    Observer: Stephen Davies
    Location: Blue Mash Nature Trail
  34. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 2
    Date:
    Observer: Gary Hillesland
    Location: Rock Creek Regional Park, Derwood US-MD 39.10792, -77.11103
  35. new world vulture sp. Cathartidae sp.
    # Count: 3
    Date:
    Observer: Allison Starr
    Location: I-495 W, Silver Spring US-MD 39.01644, -76.99893
  36. goose sp. Anatidae (goose sp.)
    # Count: 7
    Date:
    Observer: William Heinle
    Location: Blue Mash Nature Trail
  37. Aythya sp. Aythya sp.
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Riley's Lock
  38. teal sp. Anatidae sp. (teal sp.)
    # Count: 1
    Date:
    Observer: Stewart Mayhew
    Location: C&O Canal--Riley's Lock
  39. waterfowl sp. Anatidae sp.
    # Count: 12
    Date:
    Observer: Kyle Gardiner
    Location: C&O Canal--Riley's Lock
  40. bird sp. Aves sp.
    # Count: 1
    Date:
    Observer: Kyle Gardiner
    Location: C&O Canal--Riley's Lock
  41. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 4
    Date:
    Observer: Frank Wang
    Location: Black hill regional park
  42. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Ray's Meadow Local Park
  43. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 1
    Date:
    Observer: John McDonough
    Location: Black Hill RP--Ten Mile Creek area, trails and lake
  44. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Kevin Achtmeyer
    Location: Blue Mash Nature Trail
  45. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Bradmoor Drive House
  46. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Sandra Rosenhouse
    Location: Blue Mash Nature Trail
  47. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 1
    Date:
    Observer: Matt Peppe
    Location: Lake Frank
  48. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Emily Huang
    Location: Redgate Park
  49. thrush sp. Turdidae sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Damascus Recreational Park
  50. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  51. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 2
    Date:
    Observer: James Nelson
    Location: C&O Canal--Violette's Lock
  52. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 3
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Riley's Lock
  53. Calidris sp. Calidris sp.
    # Count: 1
    Date:
    Observer: Manoli Strecker
    Location: Blue Mash Nature Trail
  54. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Violette's Lock
  55. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Keigan Case
    Location: C&O Canal--Great Falls
  56. Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceus
    # Count: 1
    Date:
    Observer: Scott Young
    Location: 000Our Yard - North Potomac
  57. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Patuxent River SP--Rte. 97 (Montgomery Co.)
  58. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    # Count: 1
    Date:
    Observer: Maggie Reuter
    Location: Black Hill Hiker/Biker Trail
  59. Acanthis/Spinus sp. Acanthis/Spinus sp.
    # Count: 2
    Date:
    Observer: hartmut doebel
    Location: 4 Corporate Blvd, Rockville US-MD 39.10590, -77.18771
  60. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Jared Fisher NFC Station
    Location: Straw Bale Lane
  61. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 3
    Date:
    Observer: marie maynard
    Location: Little Bennett RP--Wilson Mill Trail
  62. Larus sp. Larus sp.
    # Count: 1
    Date:
    Observer: David Roberts
    Location: C&O Canal--Great Falls
  63. pigeon/dove sp. Columbidae sp.
    # Count: 4
    Date:
    Observer: Lon Carpenter
    Location: Gunnell Rd, Bethesda US-MD 38.99867, -77.09364
  64. Snow/Ross's Goose Anser caerulescens/rossii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: 16410 Budd Rd, Poolesville US-MD 39.12786, -77.40598
  65. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 1
    Date:
    Observer: Kevin Ebert
    Location: Triadelphia Reservoir--Triadelphia Lake Rd.
  66. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Black Hill RP--Little Seneca Lake, Rte.121
  67. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Greg Levandoski
    Location: C&O Canal--Great Falls
  68. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Date:
    Observer: hartmut doebel
    Location: Blue Mash Nature Trail
  69. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 2
    Date:
    Observer: Carla Roverse
    Location: McKee Beshers WMA
  70. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: RK Wild
    Location: Thompson Rd
  71. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Daniel S.
    Location: stakeout Rufous Hummingbird, Silver Spring (2021)
  72. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: David Gersten
    Location: Blue Mash Nature Trail
  73. gull/tern sp. Laridae sp.
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: C&O Canal--Violette's Lock
  74. Ammospiza sp. Ammospiza sp.
    # Count: 1
    Date:
    Observer: David Gersten
    Location: Hughes Hollow - McKee Beshers WMA
  75. Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Bradmoor Drive House
  76. phalarope sp. Phalaropus sp.
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: C&O Canal--Violette's Lock
  77. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 1
    Date:
    Observer: Lawrence Rubey
    Location: C&O Canal--Pennyfield Lock
  78. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 2
    Date:
    Observer: Kenneth Maggin
    Location: 9900 River View Ct, Potomac US-MD 39.02499, -77.23292
  79. parakeet sp. Psittaciformes sp. (parakeet sp.)
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: 20024 Wanegarden ct Germantown M.D. 20874
  80. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: 1
    Date:
    Observer: David Moulton
    Location: Hughes Rd. polo fields
  81. Passerina sp. Passerina sp.
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Hughes Hollow - McKee Beshers WMA
  82. Summer/Scarlet Tanager Piranga rubra/olivacea
    # Count: 1
    Date:
    Observer: Anne Mytych
    Location: Lake Frank
  83. loon sp. Gavia sp.
    # Count: 1
    Date:
    Observer: Oliver Patrick
    Location: C&O Canal--Violette's Lock
  84. Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmus
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: Backyard MD 39.04432, -77.26707
  85. Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Jim Wilkinson
    Location: Burtonsville Town Square
  86. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Nick Komar
    Location: Willard Avenue Neighborhood Park
  87. Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseri
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Woodstock Equestrian Park - East (Rickman) area
  88. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 1
    Date:
    Observer: Abby Walter
    Location: Meadowside Nature Center
  89. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: Andy Wilson
    Location: C&O Canal--Mouth of the Monocacy (Mont. Co.)
  90. Coccyzus sp. Coccyzus sp.
    # Count: 1
    Date:
    Observer: Rennie Selkirk
    Location: C&O Canal--Violette's Lock
  91. Laughing/Franklin's Gull Leucophaeus atricilla/pipixcan
    # Count: 1
    Date:
    Observer: Robert Ostrowski
    Location: C&O Canal--Violette's Lock
  92. Sterna sp. Sterna sp.
    # Count: 37
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Violette's Lock
  93. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Strathmore Grounds
  94. lovebird sp. Agapornis sp.
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Wheaton Branch Stormwater Ponds
  95. Amazona sp. Amazona sp.
    # Count: 1
    Date:
    Observer: Stephen Davies
    Location: Wheaton Branch Stormwater Ponds
  96. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: C&O Canal--Pennyfield Lock
  97. moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.
    # Count: 1
    Date:
    Observer: Michael Burchett
    Location: Hughes Hollow - McKee Beshers WMA
  98. Spinus sp. Spinus sp.
    # Count: 9
    Date:
    Observer: Marshall Iliff
    Location: Francie's apartment
  99. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 1
    Date:
    Observer: Edward Patten
    Location: C&O Canal--Riley's Lock
  100. Selasphorus sp. Selasphorus sp.
    # Count: 1
    Date:
    Observer: MD Admin (Carney)
    Location: Bethesda--Radnor Rd