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Mason Neck State Park

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Bird List

Updated ~10 seconds ago
215 All Years 117 This Year 2024 54 This Month May 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (215)

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

Hybrids (1)

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

Additional Taxa (32)

  1. gull sp. Larinae sp.
    # Count: 5
    Date:
    Observer: Jeff Tessein
    Location: Mason Neck State Park
  2. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 200
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  3. duck sp. Anatidae (duck sp.)
    # Count: 300
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  4. new world vulture sp. Cathartidae sp.
    # Count: 4
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  5. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Northern Virginia Bird Club
    Location: Mason Neck State Park
  6. crow sp. Corvus sp. (crow sp.)
    # Count: 1
    Date:
    Observer: P.W. Boyd
    Location: Mason Neck State Park
  7. new world warbler sp. Parulidae sp.
    # Count: 3
    Date:
    Observer: Jennifer Kalb
    Location: Mason Neck State Park
  8. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: X
    Date:
    Observer: Dick Cartwright
    Location: Mason Neck State Park
  9. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  10. swallow sp. Hirundinidae sp.
    # Count: 30
    Date:
    Observer: Sherman Suter
    Location: Mason Neck State Park
  11. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  12. wren sp. Troglodytidae sp.
    # Count: 2
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  13. Aythya sp. Aythya sp.
    # Count: 2200
    Date:
    Observer: Art Drauglis
    Location: Mason Neck State Park
  14. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  15. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  16. tern sp. Sterninae sp.
    # Count: 2
    Date:
    Observer: Barbara Ports
    Location: Mason Neck State Park
  17. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  18. new world sparrow sp. Passerellidae sp.
    # Count: 13
    Date:
    Observer: Mike Cianciosi
    Location: Mason Neck State Park
  19. blackbird sp. Icteridae sp.
    # Count: 60
    Date:
    Observer: Joan Mashburn
    Location: Mason Neck State Park
  20. Empidonax sp. Empidonax sp.
    # Count: 2
    Date:
    Observer: Karen Fairweather
    Location: Mason Neck State Park
  21. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Karen Fairweather
    Location: Mason Neck State Park
  22. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Ethan Green
    Location: Mason Neck State Park
  23. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Tahiry Langrand
    Location: Mason Neck State Park
  24. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Janis Stone
    Location: Mason Neck State Park
  25. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  26. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  27. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  28. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 4
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  29. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 2
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  30. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 5
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  31. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  32. teal sp. Anatidae sp. (teal sp.)
    # Count: 20
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park