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Bird List

Updated ~12 seconds ago
215 All Years 117 This Year 2024 11 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (215)

  1. Hooded Warbler Setophaga citrina
    # Count: 2
    Date:
    Observer: Steve Bielamowicz
    Location: Mason Neck State Park
  2. Yellow-throated Warbler Setophaga dominica
    # Count: 5
    Date:
    Observer: Eric Cassel
    Location: Mason Neck State Park
  3. Eastern Towhee Pipilo erythrophthalmus
    # Count: 10
    Date:
    Observer: Eric Cassel
    Location: Mason Neck State Park
  4. American Robin Turdus migratorius
    # Count: 500
    Date:
    Observer: Eric Cassel
    Location: Mason Neck State Park
  5. Eastern Bluebird Sialia sialis
    # Count: 25
    Date:
    Observer: Tom Nardone
    Location: Mason Neck State Park
  6. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 8
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  7. Brown Creeper Certhia americana
    # Count: 7
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  8. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Thomas Falk
    Location: Mason Neck State Park
  9. Tennessee Warbler Leiothlypis peregrina
    # Count: 2
    Date:
    Observer: Megan Massa
    Location: Mason Neck State Park
  10. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Alan Phipps
    Location: Mason Neck State Park
  11. Blue-winged Warbler Vermivora cyanoptera
    # Count: 2
    Date:
    Observer: Dick Cartwright
    Location: Mason Neck State Park
  12. Prothonotary Warbler Protonotaria citrea
    # Count: 6
    Date:
    Observer: Dick Cartwright
    Location: Mason Neck State Park
  13. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  14. American Coot Fulica americana
    # Count: 5000
    Date:
    Observer: David Ledwith
    Location: Mason Neck State Park
  15. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Alan Phipps
    Location: Mason Neck State Park
  16. Greater Scaup Aythya marila
    # Count: 20
    Date:
    Observer: Daniel Cribb
    Location: Mason Neck State Park
  17. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  18. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: David Ledwith
    Location: Mason Neck State Park
  19. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  20. Blue-headed Vireo Vireo solitarius
    # Count: 3
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  21. Carolina Wren Thryothorus ludovicianus
    # Count: 23
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  22. Northern Waterthrush Parkesia noveboracensis
    # Count: 3
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  23. Northern Cardinal Cardinalis cardinalis
    # Count: 35
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  24. Red-shouldered Hawk Buteo lineatus
    # Count: 3
    Date:
    Observer: Adrin A.
    Location: Mason Neck State Park
  25. Winter Wren Troglodytes hiemalis
    # Count: 5
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  26. Mourning Dove Zenaida macroura
    # Count: 100
    Date:
    Observer: Evan Pannkuk
    Location: Mason Neck State Park
  27. White-winged Scoter Melanitta deglandi
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Mason Neck State Park
  28. Pied-billed Grebe Podilymbus podiceps
    # Count: 134
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  29. Bufflehead Bucephala albeola
    # Count: 300
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  30. American Woodcock Scolopax minor
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  31. White-throated Sparrow Zonotrichia albicollis
    # Count: 125
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  32. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  33. Black Scoter Melanitta americana
    # Count: 5
    Date:
    Observer: David Ledwith
    Location: Mason Neck State Park
  34. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Alexandra Munters
    Location: Mason Neck State Park
  35. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Jay Sulzmann
    Location: Mason Neck State Park
  36. Canvasback Aythya valisineria
    # Count: 3000
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  37. Hermit Thrush Catharus guttatus
    # Count: 34
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  38. Pine Siskin Spinus pinus
    # Count: 16
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  39. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Karen Fairweather
    Location: Mason Neck State Park
  40. Caspian Tern Hydroprogne caspia
    # Count: 41
    Date:
    Observer: Joan Mashburn
    Location: Mason Neck State Park
  41. American White Pelican Pelecanus erythrorhynchos
    # Count: 48
    Date:
    Observer: John Aleknavage
    Location: Mason Neck State Park
  42. Turkey Vulture Cathartes aura
    # Count: 25
    Date:
    Observer: Frank Hawkins
    Location: Mason Neck State Park
  43. Red-tailed Hawk Buteo jamaicensis
    # Count: 5
    Date:
    Observer: Ed Wallace
    Location: Mason Neck State Park
  44. Great Horned Owl Bubo virginianus
    # Count: 2
    Date:
    Observer: Erik Wilkins
    Location: Mason Neck State Park
  45. Common Grackle Quiscalus quiscula
    # Count: 3000
    Date:
    Observer: P.W. Boyd
    Location: Mason Neck State Park
  46. Brown Thrasher Toxostoma rufum
    # Count: 3
    Date:
    Observer: Stephen Pingeton
    Location: Mason Neck State Park
  47. Red-breasted Nuthatch Sitta canadensis
    # Count: 5
    Date:
    Observer: Daniel Orozco Montoya
    Location: Mason Neck State Park
  48. Marsh Wren Cistothorus palustris
    # Count: 3
    Date:
    Observer: Tahiry Langrand
    Location: Mason Neck State Park
  49. Veery Catharus fuscescens
    # Count: 3
    Date:
    Observer: Evan Pannkuk
    Location: Mason Neck State Park
  50. Common Goldeneye Bucephala clangula
    # Count: 6
    Date:
    Observer: P.W. Boyd
    Location: Mason Neck State Park
  51. Bald Eagle Haliaeetus leucocephalus
    # Count: 37
    Date:
    Observer: Larry Cartwright
    Location: Mason Neck State Park
  52. Fish Crow Corvus ossifragus
    # Count: 200
    Date:
    Observer: Linda Chittum
    Location: Mason Neck State Park
  53. Forster's Tern Sterna forsteri
    # Count: 43
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  54. Hairy Woodpecker Dryobates villosus
    # Count: 6
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  55. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  56. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 1
    Date:
    Observer: Amiel Hopkins
    Location: Mason Neck State Park
  57. Eastern Kingbird Tyrannus tyrannus
    # Count: 6
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park
  58. Yellow-breasted Chat Icteria virens
    # Count: 3
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park
  59. Brown-headed Cowbird Molothrus ater
    # Count: 45
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park
  60. American Goldfinch Spinus tristis
    # Count: 55
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park
  61. Cooper's Hawk Accipiter cooperii
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  62. Purple Finch Haemorhous purpureus
    # Count: 9
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  63. Hooded Merganser Lophodytes cucullatus
    # Count: 130
    Date:
    Observer: Elton Morel
    Location: Mason Neck State Park
  64. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: Larry Cartwright
    Location: Mason Neck State Park
  65. Golden-crowned Kinglet Regulus satrapa
    # Count: 16
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park
  66. Virginia Rail Rallus limicola
    # Count: 1
    Date:
    Observer: Yve Morrell
    Location: Mason Neck State Park
  67. Tundra Swan Cygnus columbianus
    # Count: 400
    Date:
    Observer: bill belford
    Location: Mason Neck State Park
  68. Tufted Titmouse Baeolophus bicolor
    # Count: 31
    Date:
    Observer: Richard Rieger
    Location: Mason Neck State Park
  69. Northern Mockingbird Mimus polyglottos
    # Count: 4
    Date:
    Observer: Richard Rieger
    Location: Mason Neck State Park
  70. Barred Owl Strix varia
    # Count: 5
    Date:
    Observer: Richard Rieger
    Location: Mason Neck State Park
  71. Mallard Anas platyrhynchos
    # Count: 400
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  72. Cedar Waxwing Bombycilla cedrorum
    # Count: 100
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  73. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Mason Neck State Park
  74. White-breasted Nuthatch Sitta carolinensis
    # Count: 17
    Date:
    Observer: Richard Rieger
    Location: Mason Neck State Park
  75. American Wigeon Mareca americana
    # Count: 600
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  76. European Starling Sturnus vulgaris
    # Count: 100
    Date:
    Observer: David Mindell
    Location: Mason Neck State Park
  77. Least Bittern Ixobrychus exilis
    # Count: 2
    Date:
    Observer: Phil Silas
    Location: Mason Neck State Park
  78. Rock Pigeon Columba livia
    # Count: 30
    Date:
    Observer: David Ledwith
    Location: Mason Neck State Park
  79. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Robert Spader
    Location: Mason Neck State Park
  80. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  81. Royal Tern Thalasseus maximus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  82. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 24
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  83. Rusty Blackbird Euphagus carolinus
    # Count: 40
    Date:
    Observer: Thomas Brooks
    Location: Mason Neck State Park
  84. Spotted Sandpiper Actitis macularius
    # Count: 6
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  85. Gadwall Mareca strepera
    # Count: 5000
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  86. Redhead Aythya americana
    # Count: 1000
    Date:
    Observer: Mary Alice Koeneke
    Location: Mason Neck State Park
  87. Ring-necked Duck Aythya collaris
    # Count: 1500
    Date:
    Observer: Mary Alice Koeneke
    Location: Mason Neck State Park
  88. Eurasian Wigeon Mareca penelope
    # Count: 2
    Date:
    Observer: David Ledwith
    Location: Mason Neck State Park
  89. Black Vulture Coragyps atratus
    # Count: 75
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  90. American Pipit Anthus rubescens
    # Count: 20
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  91. Green-winged Teal Anas crecca
    # Count: 200
    Date:
    Observer: Lucy Uncu
    Location: Mason Neck State Park
  92. Killdeer Charadrius vociferus
    # Count: 66
    Date:
    Observer: Lucy Uncu
    Location: Mason Neck State Park
  93. Red-throated Loon Gavia stellata
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  94. Wild Turkey Meleagris gallopavo
    # Count: 35
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  95. Great Black-backed Gull Larus marinus
    # Count: 45
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  96. Yellow-throated Vireo Vireo flavifrons
    # Count: 4
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  97. Red-winged Blackbird Agelaius phoeniceus
    # Count: 350
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  98. Eastern Screech-Owl Megascops asio
    # Count: 3
    Date:
    Observer: Phil Kenny
    Location: Mason Neck State Park
  99. Sharp-shinned Hawk Accipiter striatus
    # Count: 2
    Date:
    Observer: David Boltz
    Location: Mason Neck State Park
  100. Wood Duck Aix sponsa
    # Count: 40
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  101. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  102. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  103. Blue Jay Cyanocitta cristata
    # Count: 175
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  104. Black-and-white Warbler Mniotilta varia
    # Count: 11
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  105. American Redstart Setophaga ruticilla
    # Count: 14
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  106. Ruby-throated Hummingbird Archilochus colubris
    # Count: 12
    Date:
    Observer: Larry Meade
    Location: Mason Neck State Park
  107. Olive-sided Flycatcher Contopus cooperi
    # Count: 2
    Date:
    Observer: Larry Meade
    Location: Mason Neck State Park
  108. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Larry Meade
    Location: Mason Neck State Park
  109. Eastern Wood-Pewee Contopus virens
    # Count: 18
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  110. Least Flycatcher Empidonax minimus
    # Count: 7
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  111. Great Crested Flycatcher Myiarchus crinitus
    # Count: 15
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  112. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  113. Bobolink Dolichonyx oryzivorus
    # Count: 30
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  114. Magnolia Warbler Setophaga magnolia
    # Count: 13
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  115. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 5
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  116. Bank Swallow Riparia riparia
    # Count: 2
    Date:
    Observer: Gerco Hoogeweg
    Location: Mason Neck State Park
  117. Blue Grosbeak Passerina caerulea
    # Count: 10
    Date:
    Observer: Gerco Hoogeweg
    Location: Mason Neck State Park
  118. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 6
    Date:
    Observer: Gordon Brown
    Location: Mason Neck State Park
  119. Field Sparrow Spizella pusilla
    # Count: 10
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  120. Dark-eyed Junco Junco hyemalis
    # Count: 100
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  121. Chipping Sparrow Spizella passerina
    # Count: 33
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  122. Downy Woodpecker Dryobates pubescens
    # Count: 12
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  123. Northern Flicker Colaptes auratus
    # Count: 30
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  124. Eastern Phoebe Sayornis phoebe
    # Count: 21
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  125. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  126. Savannah Sparrow Passerculus sandwichensis
    # Count: 6
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  127. Nashville Warbler Leiothlypis ruficapilla
    # Count: 4
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  128. Black-throated Green Warbler Setophaga virens
    # Count: 15
    Date:
    Observer: Larry Meade
    Location: Mason Neck State Park
  129. Laughing Gull Leucophaeus atricilla
    # Count: 200
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  130. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 6
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  131. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 3
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  132. Baltimore Oriole Icterus galbula
    # Count: 8
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  133. Black Tern Chlidonias niger
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  134. Black-crowned Night Heron Nycticorax nycticorax
    # Count: X
    Date:
    Observer: Alison Bentley
    Location: Mason Neck State Park
  135. Green Heron Butorides virescens
    # Count: 4
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  136. Mute Swan Cygnus olor
    # Count: 2
    Date:
    Observer: Scott Michaud
    Location: Mason Neck State Park
  137. Warbling Vireo Vireo gilvus
    # Count: 2
    Date:
    Observer: Scott Michaud
    Location: Mason Neck State Park
  138. House Sparrow Passer domesticus
    # Count: 10
    Date:
    Observer: Scott Michaud
    Location: Mason Neck State Park
  139. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  140. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 15
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  141. Pileated Woodpecker Dryocopus pileatus
    # Count: 9
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  142. Acadian Flycatcher Empidonax virescens
    # Count: 31
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  143. Wood Thrush Hylocichla mustelina
    # Count: 28
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  144. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  145. Blackpoll Warbler Setophaga striata
    # Count: 8
    Date:
    Observer: Gordon Brown
    Location: Mason Neck State Park
  146. Long-tailed Duck Clangula hyemalis
    # Count: 3
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  147. Lesser Scaup Aythya affinis
    # Count: 11,000
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  148. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Robert Steele
    Location: Mason Neck State Park
  149. Ruddy Duck Oxyura jamaicensis
    # Count: 10,000
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  150. Belted Kingfisher Megaceryle alcyon
    # Count: 5
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  151. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 7
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  152. Swamp Sparrow Melospiza georgiana
    # Count: 15
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  153. Ruby-crowned Kinglet Corthylio calendula
    # Count: 11
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  154. Gray Catbird Dumetella carolinensis
    # Count: 37
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  155. Common Yellowthroat Geothlypis trichas
    # Count: 21
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  156. Cape May Warbler Setophaga tigrina
    # Count: 23
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  157. Chuck-will's-widow Antrostomus carolinensis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  158. House Wren Troglodytes aedon
    # Count: 5
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  159. Orchard Oriole Icterus spurius
    # Count: 5
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  160. Indigo Bunting Passerina cyanea
    # Count: 16
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  161. American Crow Corvus brachyrhynchos
    # Count: 70
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  162. Palm Warbler Setophaga palmarum
    # Count: 30
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  163. Chimney Swift Chaetura pelagica
    # Count: 265
    Date:
    Observer: Jay Keller
    Location: Mason Neck State Park
  164. Gray-cheeked Thrush Catharus minimus
    # Count: 20
    Date:
    Observer: Jay Keller
    Location: Mason Neck State Park
  165. Swainson's Thrush Catharus ustulatus
    # Count: 36
    Date:
    Observer: Jay Keller
    Location: Mason Neck State Park
  166. Bay-breasted Warbler Setophaga castanea
    # Count: 5
    Date:
    Observer: Jay Keller
    Location: Mason Neck State Park
  167. Eastern Meadowlark Sturnella magna
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  168. Worm-eating Warbler Helmitheros vermivorum
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  169. Louisiana Waterthrush Parkesia motacilla
    # Count: 3
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  170. Double-crested Cormorant Nannopterum auritum
    # Count: 960
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  171. Great Blue Heron Ardea herodias
    # Count: 300
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  172. Pine Warbler Setophaga pinus
    # Count: 6
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  173. Yellow Warbler Setophaga petechia
    # Count: 4
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  174. Scarlet Tanager Piranga olivacea
    # Count: 11
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  175. Red-eyed Vireo Vireo olivaceus
    # Count: 38
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  176. Ovenbird Seiurus aurocapilla
    # Count: 25
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  177. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 37
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  178. Northern Parula Setophaga americana
    # Count: 27
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  179. Horned Grebe Podiceps auritus
    # Count: 60
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  180. Osprey Pandion haliaetus
    # Count: 26
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  181. Red-necked Grebe Podiceps grisegena
    # Count: 4
    Date:
    Observer: Ben Jesup
    Location: Mason Neck State Park
  182. Red-breasted Merganser Mergus serrator
    # Count: 360
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  183. Herring Gull Larus argentatus
    # Count: 150
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  184. Snow Goose Anser caerulescens
    # Count: X
    Date:
    Observer: James Boughton
    Location: Mason Neck State Park
  185. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  186. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  187. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 750
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  188. White-eyed Vireo Vireo griseus
    # Count: 5
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  189. Purple Martin Progne subis
    # Count: 36
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  190. Yellow-rumped Warbler Setophaga coronata
    # Count: 125
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  191. Prairie Warbler Setophaga discolor
    # Count: 3
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  192. Common Loon Gavia immer
    # Count: 21
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  193. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  194. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  195. Ring-billed Gull Larus delawarensis
    # Count: 300
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  196. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  197. Northern Shoveler Spatula clypeata
    # Count: 400
    Date:
    Observer: Alex Merritt
    Location: Mason Neck State Park
  198. Northern Pintail Anas acuta
    # Count: 300
    Date:
    Observer: Alex Merritt
    Location: Mason Neck State Park
  199. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 75
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  200. Song Sparrow Melospiza melodia
    # Count: 60
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  201. Canada Goose Branta canadensis
    # Count: 1015
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  202. Broad-winged Hawk Buteo platypterus
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  203. Surf Scoter Melanitta perspicillata
    # Count: 7
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  204. House Finch Haemorhous mexicanus
    # Count: 16
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  205. Tree Swallow Tachycineta bicolor
    # Count: 200
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  206. Barn Swallow Hirundo rustica
    # Count: 200
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  207. Common Merganser Mergus merganser
    # Count: 1026
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  208. Carolina Chickadee Poecile carolinensis
    # Count: 41
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  209. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  210. American Black Duck Anas rubripes
    # Count: 500
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  211. Wilson's Snipe Gallinago delicata
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  212. Great Egret Ardea alba
    # Count: 8
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  213. Solitary Sandpiper Tringa solitaria
    # Count: 5
    Date:
    Observer: Steve Droste
    Location: Mason Neck State Park
  214. Greater Yellowlegs Tringa melanoleuca
    # Count: 15
    Date:
    Observer: Steve Droste
    Location: Mason Neck State Park
  215. Blue-winged Teal Spatula discors
    # Count: 60
    Date:
    Observer: Tim Cowley
    Location: Mason Neck State Park

Hybrids (1)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 2
    Date:
    Observer: Lauren Elizabeth
    Location: Mason Neck State Park

Additional Taxa (32)

  1. new world vulture sp. Cathartidae sp.
    # Count: 4
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  2. new world warbler sp. Parulidae sp.
    # Count: 3
    Date:
    Observer: Jennifer Kalb
    Location: Mason Neck State Park
  3. swallow sp. Hirundinidae sp.
    # Count: 30
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  4. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  5. gull sp. Larinae sp.
    # Count: 1200
    Date:
    Observer: Amiel Hopkins
    Location: Mason Neck State Park
  6. duck sp. Anatidae (duck sp.)
    # Count: 3000
    Date:
    Observer: Evan Pannkuk
    Location: Mason Neck State Park
  7. crow sp. Corvus sp. (crow sp.)
    # Count: 250
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  8. wren sp. Troglodytidae sp.
    # Count: 3
    Date:
    Observer: Seth Kellogg
    Location: Mason Neck State Park
  9. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  10. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  11. tern sp. Sterninae sp.
    # Count: 2
    Date:
    Observer: Barbara Ports
    Location: Mason Neck State Park
  12. Aythya sp. Aythya sp.
    # Count: 3000
    Date:
    Observer: Bill Dries
    Location: Mason Neck State Park
  13. new world sparrow sp. Passerellidae sp.
    # Count: 13
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  14. Empidonax sp. Empidonax sp.
    # Count: 2
    Date:
    Observer: Karen Fairweather
    Location: Mason Neck State Park
  15. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Karen Fairweather
    Location: Mason Neck State Park
  16. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Tahiry Langrand
    Location: Mason Neck State Park
  17. passerine sp. Passeriformes sp.
    # Count: 5
    Date:
    Observer: Kira Howell
    Location: Mason Neck State Park
  18. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Janis Stone
    Location: Mason Neck State Park
  19. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 10,000
    Date:
    Observer: David Jeffrey Ringer
    Location: Mason Neck State Park
  20. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  21. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 4
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  22. Accipiter sp. Accipiter sp.
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  23. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  24. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  25. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  26. new world flycatcher sp. Tyrannidae sp.
    # Count: 3
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  27. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 5
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  28. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  29. blackbird sp. Icteridae sp.
    # Count: 425
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  30. teal sp. Anatidae sp. (teal sp.)
    # Count: 20
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  31. woodpecker sp. Picidae sp.
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  32. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 6
    Date:
    Observer: Steve Droste
    Location: Mason Neck State Park