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Mason Neck SP--Visitors Center

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Bird List

Updated ~6 seconds ago
166 All Years 105 This Year 2024 35 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (166)

  1. Canvasback Aythya valisineria
    # Count: 800
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  2. Laughing Gull Leucophaeus atricilla
    # Count: 500
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  3. Canada Goose Branta canadensis
    # Count: 100
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  4. Lesser Scaup Aythya affinis
    # Count: 95
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  5. American Black Duck Anas rubripes
    # Count: 70
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  6. Common Merganser Mergus merganser
    # Count: 50
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  7. Cedar Waxwing Bombycilla cedrorum
    # Count: 45
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  8. House Finch Haemorhous mexicanus
    # Count: 30
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  9. Tundra Swan Cygnus columbianus
    # Count: 23
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  10. American White Pelican Pelecanus erythrorhynchos
    # Count: 15
    Date:
    Observer: Henry Howe
    Location: Mason Neck SP--Visitors Center
  11. Common Grackle Quiscalus quiscula
    # Count: 15
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  12. Yellow-rumped Warbler Setophaga coronata
    # Count: 14
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  13. Redhead Aythya americana
    # Count: 13
    Date:
    Observer: Sherman Suter
    Location: Mason Neck SP--Visitors Center
  14. Eastern Bluebird Sialia sialis
    # Count: 12
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  15. American Robin Turdus migratorius
    # Count: 11
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  16. Carolina Wren Thryothorus ludovicianus
    # Count: 10
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  17. Barn Swallow Hirundo rustica
    # Count: 9
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  18. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 8
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  19. Ring-billed Gull Larus delawarensis
    # Count: 6
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  20. Downy Woodpecker Dryobates pubescens
    # Count: 6
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  21. Gadwall Mareca strepera
    # Count: 5
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  22. Wood Thrush Hylocichla mustelina
    # Count: 5
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  23. Mourning Dove Zenaida macroura
    # Count: 4
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  24. Bald Eagle Haliaeetus leucocephalus
    # Count: 4
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  25. Brown Creeper Certhia americana
    # Count: 4
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  26. Purple Finch Haemorhous purpureus
    # Count: 4
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  27. Turkey Vulture Cathartes aura
    # Count: 3
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  28. Prothonotary Warbler Protonotaria citrea
    # Count: 3
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  29. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  30. Northern Shoveler Spatula clypeata
    # Count: 2
    Date:
    Observer: Claire Kluskens
    Location: Mason Neck SP--Visitors Center
  31. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Silke and Steffen MEYER-KAUL
    Location: Mason Neck SP--Visitors Center
  32. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  33. White-eyed Vireo Vireo griseus
    # Count: 2
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  34. Fish Crow Corvus ossifragus
    # Count: 2
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  35. Purple Martin Progne subis
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  36. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Enayah Rahman
    Location: Mason Neck SP--Visitors Center
  37. Ruby-crowned Kinglet Corthylio calendula
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  38. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  39. Orchard Oriole Icterus spurius
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  40. Baltimore Oriole Icterus galbula
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  41. Hooded Warbler Setophaga citrina
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  42. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 2
    Date:
    Observer: Russell Taylor
    Location: Mason Neck SP--Visitors Center
  43. Indigo Bunting Passerina cyanea
    # Count: 2
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  44. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Greg Hays
    Location: Mason Neck SP--Visitors Center
  45. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Michael Mayer
    Location: Mason Neck SP--Visitors Center
  46. White-winged Scoter Melanitta deglandi
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck SP--Visitors Center
  47. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  48. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Nick Anich
    Location: Mason Neck SP--Visitors Center
  49. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Russell Taylor
    Location: Mason Neck SP--Visitors Center
  50. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: Michael Springer
    Location: Mason Neck SP--Visitors Center
  51. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  52. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Jeffrey Turner
    Location: Mason Neck SP--Visitors Center
  53. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Richard Taylor
    Location: Mason Neck SP--Visitors Center
  54. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  55. Black Vulture Coragyps atratus
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  56. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  57. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Tim Metcalf
    Location: Mason Neck SP--Visitors Center
  58. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  59. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  60. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Clive Harris
    Location: Mason Neck SP--Visitors Center
  61. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  62. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Phil Kenny
    Location: Mason Neck SP--Visitors Center
  63. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  64. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  65. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Vince McElhinny
    Location: Mason Neck SP--Visitors Center
  66. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Barbara Liechti
    Location: Mason Neck SP--Visitors Center
  67. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  68. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Sue Crawford
    Location: Mason Neck SP--Visitors Center
  69. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  70. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Phil Kenny
    Location: Mason Neck SP--Visitors Center
  71. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  72. European Starling Sturnus vulgaris
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  73. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Richard Taylor
    Location: Mason Neck SP--Visitors Center
  74. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  75. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  76. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Lisa Mease
    Location: Mason Neck SP--Visitors Center
  77. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  78. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Dixie Sommers
    Location: Mason Neck SP--Visitors Center
  79. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Will McPhail
    Location: Mason Neck SP--Visitors Center
  80. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  81. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Craig Richard
    Location: Mason Neck SP--Visitors Center
  82. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Jim Goehring
    Location: Mason Neck SP--Visitors Center
  83. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Craig Richard
    Location: Mason Neck SP--Visitors Center
  84. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Craig Richard
    Location: Mason Neck SP--Visitors Center
  85. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Rowan Gibson
    Location: Mason Neck SP--Visitors Center
  86. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck SP--Visitors Center
  87. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  88. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  89. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Linda Chittum
    Location: Mason Neck SP--Visitors Center
  90. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  91. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Mason Neck SP--Visitors Center
  92. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck SP--Visitors Center
  93. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: JP Mullen
    Location: Mason Neck SP--Visitors Center
  94. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Carlton Noll
    Location: Mason Neck SP--Visitors Center
  95. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: karen pinckard
    Location: Mason Neck SP--Visitors Center
  96. Blue-winged Teal Spatula discors
    # Count: X
    Date:
    Observer: Betsy True
    Location: Mason Neck SP--Visitors Center
  97. American Wigeon Mareca americana
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  98. Mallard Anas platyrhynchos
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  99. Northern Pintail Anas acuta
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  100. Green-winged Teal Anas crecca
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  101. Ring-necked Duck Aythya collaris
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  102. Greater Scaup Aythya marila
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  103. Bufflehead Bucephala albeola
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  104. Hooded Merganser Lophodytes cucullatus
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  105. Red-breasted Merganser Mergus serrator
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  106. Ruddy Duck Oxyura jamaicensis
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  107. Wild Turkey Meleagris gallopavo
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  108. Pied-billed Grebe Podilymbus podiceps
    # Count: X
    Date:
    Observer: Michael Mayer
    Location: Mason Neck SP--Visitors Center
  109. Rock Pigeon Columba livia
    # Count: X
    Date:
    Observer: Mary Alice Koeneke
    Location: Mason Neck SP--Visitors Center
  110. Yellow-billed Cuckoo Coccyzus americanus
    # Count: X
    Date:
    Observer: Ian Lynch
    Location: Mason Neck SP--Visitors Center
  111. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  112. Ruby-throated Hummingbird Archilochus colubris
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  113. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  114. Greater Yellowlegs Tringa melanoleuca
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  115. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  116. Herring Gull Larus argentatus
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  117. Caspian Tern Hydroprogne caspia
    # Count: X
    Date:
    Observer: Clive Harris
    Location: Mason Neck SP--Visitors Center
  118. Forster's Tern Sterna forsteri
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  119. Double-crested Cormorant Nannopterum auritum
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  120. Green Heron Butorides virescens
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  121. Great Egret Ardea alba
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  122. Great Blue Heron Ardea herodias
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  123. Cooper's Hawk Accipiter cooperii
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  124. Red-shouldered Hawk Buteo lineatus
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  125. Great Horned Owl Bubo virginianus
    # Count: X
    Date:
    Observer: Chris French
    Location: Mason Neck SP--Visitors Center
  126. Barred Owl Strix varia
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  127. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  128. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  129. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  130. American Kestrel Falco sparverius
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  131. Eastern Wood-Pewee Contopus virens
    # Count: X
    Date:
    Observer: Donna Hocker
    Location: Mason Neck SP--Visitors Center
  132. Acadian Flycatcher Empidonax virescens
    # Count: X
    Date:
    Observer: Ian Lynch
    Location: Mason Neck SP--Visitors Center
  133. Great Crested Flycatcher Myiarchus crinitus
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  134. Yellow-throated Vireo Vireo flavifrons
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  135. Red-eyed Vireo Vireo olivaceus
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  136. American Crow Corvus brachyrhynchos
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  137. Carolina Chickadee Poecile carolinensis
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  138. Tufted Titmouse Baeolophus bicolor
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  139. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  140. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  141. Golden-crowned Kinglet Regulus satrapa
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  142. Red-breasted Nuthatch Sitta canadensis
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  143. Gray Catbird Dumetella carolinensis
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  144. House Sparrow Passer domesticus
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  145. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  146. Chipping Sparrow Spizella passerina
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  147. Field Sparrow Spizella pusilla
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  148. Dark-eyed Junco Junco hyemalis
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  149. Song Sparrow Melospiza melodia
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  150. Swamp Sparrow Melospiza georgiana
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  151. Eastern Towhee Pipilo erythrophthalmus
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  152. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Martin Kelsey
    Location: Mason Neck SP--Visitors Center
  153. Tennessee Warbler Leiothlypis peregrina
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  154. Common Yellowthroat Geothlypis trichas
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  155. American Redstart Setophaga ruticilla
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  156. Cape May Warbler Setophaga tigrina
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  157. Northern Parula Setophaga americana
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  158. Magnolia Warbler Setophaga magnolia
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  159. Yellow Warbler Setophaga petechia
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  160. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  161. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  162. Yellow-throated Warbler Setophaga dominica
    # Count: X
    Date:
    Observer: Susan Heath
    Location: Mason Neck SP--Visitors Center
  163. Black-throated Green Warbler Setophaga virens
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  164. Scarlet Tanager Piranga olivacea
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center
  165. Northern Cardinal Cardinalis cardinalis
    # Count: X
    Date:
    Observer: Michelle Hanko
    Location: Mason Neck SP--Visitors Center
  166. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: X
    Date:
    Observer: Tom Ewert
    Location: Mason Neck SP--Visitors Center

Exotic: Escapee (1)

  1. Red Junglefowl Gallus gallus
    # Count: 1
    Date:
    Observer: Dave Sandahl
    Location: Mason Neck SP--Visitors Center

Additional Taxa (16)

  1. Aythya sp. Aythya sp.
    # Count: 1000
    Date:
    Observer: Bradford Schmonsees
    Location: Mason Neck SP--Visitors Center
  2. duck sp. Anatidae (duck sp.)
    # Count: 700
    Date:
    Observer: David Larsen
    Location: Mason Neck SP--Visitors Center
  3. gull sp. Larinae sp.
    # Count: 50
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  4. new world sparrow sp. Passerellidae sp.
    # Count: 15
    Date:
    Observer: Brenton Mundt
    Location: Mason Neck SP--Visitors Center
  5. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 5
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  6. new world flycatcher sp. Tyrannidae sp.
    # Count: 2
    Date:
    Observer: Elise Manassee
    Location: Mason Neck SP--Visitors Center
  7. crow sp. Corvus sp. (crow sp.)
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  8. swan sp. Cygnus sp.
    # Count: 1
    Date:
    Observer: Dixie Sommers
    Location: Mason Neck SP--Visitors Center
  9. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  10. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: Guy Isabelle
    Location: Mason Neck SP--Visitors Center
  11. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Silke and Steffen MEYER-KAUL
    Location: Mason Neck SP--Visitors Center
  12. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Jean Tatalias
    Location: Mason Neck SP--Visitors Center
  13. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Silke and Steffen MEYER-KAUL
    Location: Mason Neck SP--Visitors Center
  14. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 1
    Date:
    Observer: Theresa Plass
    Location: Mason Neck SP--Visitors Center
  15. swallow sp. Hirundinidae sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  16. blackbird sp. Icteridae sp.
    # Count: 1
    Date:
    Observer: Ricky Wyman
    Location: Mason Neck SP--Visitors Center