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Bird List

Updated ~20 hours ago
333 All Years 228 This Year 2024 124 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (333)

  1. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Springvale Fairfax Co.
  2. Pine Warbler Setophaga pinus
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Munson's Hill Fairfax Co.
  3. Field Sparrow Spizella pusilla
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  4. Dark-eyed Junco Junco hyemalis
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  5. White-crowned Sparrow Zonotrichia leucophrys
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  6. White-throated Sparrow Zonotrichia albicollis
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  7. Swamp Sparrow Melospiza georgiana
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  8. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  9. Yellow-rumped Warbler Setophaga coronata
    # Count: X
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Munson Hill vicinity
  10. Common Grackle Quiscalus quiscula
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Mt. Vernon Fairfax Co.
  11. Tufted Titmouse Baeolophus bicolor
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Mt. Vernon Fairfax Co.
  12. Eastern Bluebird Sialia sialis
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Mt. Vernon Fairfax Co.
  13. Northern Parula Setophaga americana
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Great Falls Fairfax Co.
  14. Bufflehead Bucephala albeola
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Lexington, Cameron's Pond
  15. Pectoral Sandpiper Calidris melanotos
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Lexington Cameron's Pond
  16. Laughing Gull Leucophaeus atricilla
    # Count: 7
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  17. Snowy Egret Egretta thula
    # Count: 2
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  18. Great Egret Ardea alba
    # Count: 85
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  19. Great Blue Heron Ardea herodias
    # Count: 16
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  20. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  21. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  22. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  23. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  24. Carolina Chickadee Poecile carolinensis
    # Count: 4
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  25. Barn Swallow Hirundo rustica
    # Count: 3
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  26. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  27. European Starling Sturnus vulgaris
    # Count: 30
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  28. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  29. American Robin Turdus migratorius
    # Count: 15
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  30. Chipping Sparrow Spizella passerina
    # Count: 5
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  31. Song Sparrow Melospiza melodia
    # Count: 3
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  32. Eastern Meadowlark Sturnella magna
    # Count: 6
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  33. Northern Cardinal Cardinalis cardinalis
    # Count: 3
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  34. Eastern Towhee Pipilo erythrophthalmus
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Lexington Cameron's Pond
  35. Ring-billed Gull Larus delawarensis
    # Count: 30
    Date:
    Observer: MTOS- Shelby
    Location: George Washington Memorial Pkwy.
  36. Osprey Pandion haliaetus
    # Count: 6
    Date:
    Observer: MTOS- Shelby
    Location: George Washington Memorial Pkwy.
  37. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington Memorial Pkwy.
  38. Purple Martin Progne subis
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington Memorial Pkwy.
  39. Northern Flicker Colaptes auratus
    # Count: 2
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  40. Eastern Wood-Pewee Contopus virens
    # Count: 3
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  41. Red-eyed Vireo Vireo olivaceus
    # Count: 1
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  42. House Wren Troglodytes aedon
    # Count: 3
    Date:
    Observer: MTOS- Shelby
    Location: George Washington's Mount Vernon
  43. Pileated Woodpecker Dryocopus pileatus
    # Count: X
    Date:
    Observer: John Wells
    Location: **HUNTLEY MEADOWS PARK
  44. Yellow-throated Warbler Setophaga dominica
    # Count: 3
    Date:
    Observer: John Wells
    Location: **HUNTLEY MEADOWS PARK
  45. King Rail Rallus elegans
    # Count: X
    Date:
    Observer: John Wells
    Location: **HUNTLEY MEADOWS PARK
  46. Barred Owl Strix varia
    # Count: 3
    Date:
    Observer: John Wells
    Location: **HUNTLEY MEADOWS PARK
  47. Prothonotary Warbler Protonotaria citrea
    # Count: X
    Date:
    Observer: John Wells
    Location: **HUNTLEY MEADOWS PARK
  48. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: Mountain Lake Biological Station
    Location: Lexington Cameron's Pond, 1 Mi N
  49. Swainson's Warbler Limnothlypis swainsonii
    # Count: 1
    Date:
    Observer: daniel guthrie
    Location: Great Falls Park
  50. Bachman's Warbler Vermivora bachmanii
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Lebanon (former estate of Dr. Paul Bartsch)
  51. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  52. Killdeer Charadrius vociferus
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  53. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  54. Brown Thrasher Toxostoma rufum
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  55. Northern Mockingbird Mimus polyglottos
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  56. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  57. House Sparrow Passer domesticus
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  58. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  59. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  60. Brown-headed Cowbird Molothrus ater
    # Count: 4
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  61. Mourning Dove Zenaida macroura
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  62. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  63. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  64. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  65. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  66. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  67. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  68. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  69. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  70. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  71. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  72. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  73. Canada Goose Branta canadensis
    # Count: 7
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  74. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  75. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  76. Indigo Bunting Passerina cyanea
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  77. Northern Shoveler Spatula clypeata
    # Count: X
    Date:
    Observer: Tony Futcher
    Location: Hunting Creek Bridge
  78. Greater Scaup Aythya marila
    # Count: X
    Date:
    Observer: Tony Futcher
    Location: Hunting Creek Bridge
  79. Canvasback Aythya valisineria
    # Count: X
    Date:
    Observer: Tony Futcher
    Location: Hunting Creek Bridge
  80. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  81. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  82. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  83. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  84. Tree Swallow Tachycineta bicolor
    # Count: 3
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  85. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  86. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  87. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  88. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  89. Bank Swallow Riparia riparia
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  90. Mallard Anas platyrhynchos
    # Count: 6
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  91. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  92. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  93. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  94. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  95. Ovenbird Seiurus aurocapilla
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  96. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  97. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  98. Black Vulture Coragyps atratus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  99. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  100. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  101. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  102. Northern Pintail Anas acuta
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  103. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  104. Lesser Scaup Aythya affinis
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  105. Ruby-crowned Kinglet Corthylio calendula
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  106. Golden-crowned Kinglet Regulus satrapa
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  107. Rough-legged Hawk Buteo lagopus
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Burgundy Farm Country Day School
  108. Lark Sparrow Chondestes grammacus
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  109. Barn Owl Tyto alba
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Burgundy Farm Country Day School
  110. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  111. Redhead Aythya americana
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  112. Northern Harrier Circus hudsonius
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  113. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  114. Least Flycatcher Empidonax minimus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  115. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Burgundy Farm Country Day School
  116. Marsh Wren Cistothorus palustris
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  117. Wilson's Warbler Cardellina pusilla
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  118. Forster's Tern Sterna forsteri
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  119. Black-bellied Plover Pluvialis squatarola
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  120. Short-billed Dowitcher Limnodromus griseus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  121. Sora Porzana carolina
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  122. Stilt Sandpiper Calidris himantopus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  123. Bobolink Dolichonyx oryzivorus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  124. Nashville Warbler Leiothlypis ruficapilla
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  125. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  126. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: 1413 Lexington Road
  127. Ruddy Duck Oxyura jamaicensis
    # Count: X
    Date:
    Observer: Tony Futcher
    Location: Hunting Creek Bridge
  128. White-eyed Vireo Vireo griseus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  129. Eastern Whip-poor-will Antrostomus vociferus
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  130. Semipalmated Sandpiper Calidris pusilla
    # Count: X
    Date:
    Observer: Dan Tallman
    Location: Hunting Creek Bridge
  131. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Leigh Mill Road
  132. American Woodcock Scolopax minor
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Hollin Hills
  133. Acadian Flycatcher Empidonax virescens
    # Count: X
    Date:
    Observer: Don Simonson
    Location: Pohick Bay Regional Park
  134. Bohemian Waxwing Bombycilla garrulus
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Belle Haven Marina, Alexandria
  135. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Belle Haven Marina, Alexandria
  136. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Dan Tallman
    Location: Leigh Mill Road
  137. Pied-billed Grebe Podilymbus podiceps
    # Count: X
    Date:
    Observer: Tony Futcher
    Location: Hunting Creek Bridge
  138. Belted Kingfisher Megaceryle alcyon
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Great Falls
  139. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  140. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  141. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  142. Louisiana Waterthrush Parkesia motacilla
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Turkey Run Park
  143. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  144. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  145. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  146. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  147. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  148. American Coot Fulica americana
    # Count: 10
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  149. Wilson's Snipe Gallinago delicata
    # Count: 20
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  150. Herring Gull Larus argentatus
    # Count: 5
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  151. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  152. Black-throated Sparrow Amphispiza bilineata
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Valley Drive off Rte 29/211 betw. Kamp Washington & Centreville
  153. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  154. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  155. Common Merganser Mergus merganser
    # Count: 2
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  156. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 5
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  157. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: George Washington's Mount Vernon
  158. Caspian Tern Hydroprogne caspia
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  159. Canada Warbler Cardellina canadensis
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Fraser Preserve (The Nature Conservancy)
  160. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Toby Bradshaw
    Location: Dyke Marsh Wildlife Preserve
  161. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  162. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  163. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  164. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Great Falls Park
  165. Yellow-billed Cuckoo Coccyzus americanus
    # Count: X
    Date:
    Observer: Chris Dunford
    Location: Fairfax Villa Park
  166. Yellow-throated Vireo Vireo flavifrons
    # Count: X
    Date:
    Observer: Chris Dunford
    Location: Fairfax Villa Park
  167. Magnolia Warbler Setophaga magnolia
    # Count: X
    Date:
    Observer: Bryan Rutledge
    Location: Ross Street, Alexandria
  168. Black-throated Blue Warbler Setophaga caerulescens
    # Count: X
    Date:
    Observer: Bryan Rutledge
    Location: Ross Street, Alexandria
  169. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: X
    Date:
    Observer: Bryan Rutledge
    Location: Ross Street, Alexandria
  170. Rusty Blackbird Euphagus carolinus
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Bull Run Regional Park
  171. Long-tailed Duck Clangula hyemalis
    # Count: X
    Date:
    Observer: ray McEneaney
    Location: Dyke Marsh Wildlife Preserve
  172. Hooded Merganser Lophodytes cucullatus
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Dyke Marsh Wildlife Preserve
  173. Common Goldeneye Bucephala clangula
    # Count: X
    Date:
    Observer: Peter Bono
    Location: Dyke Marsh Wildlife Preserve
  174. Great Black-backed Gull Larus marinus
    # Count: X
    Date:
    Observer: Peter Bono
    Location: Dyke Marsh Wildlife Preserve
  175. Glaucous Gull Larus hyperboreus
    # Count: X
    Date:
    Observer: Peter Bono
    Location: Dyke Marsh Wildlife Preserve
  176. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  177. Evening Grosbeak Coccothraustes vespertinus
    # Count: 3
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  178. Blue-headed Vireo Vireo solitarius
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  179. Savannah Sparrow Passerculus sandwichensis
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  180. Purple Finch Haemorhous purpureus
    # Count: X
    Date:
    Observer: Jonathan Plissner
    Location: Springfield_Betsy's
  181. Swainson's Thrush Catharus ustulatus
    # Count: 2
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  182. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  183. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  184. Tennessee Warbler Leiothlypis peregrina
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Scott's Run Nature Preserve
  185. Kentucky Warbler Geothlypis formosa
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Scott's Run Nature Preserve
  186. Scarlet Tanager Piranga olivacea
    # Count: X
    Date:
    Observer: Jonathan Plissner
    Location: Springfield_Betsy's
  187. Blackpoll Warbler Setophaga striata
    # Count: X
    Date:
    Observer: Bryan Rutledge
    Location: Ross Street, Alexandria
  188. Least Bittern Ixobrychus exilis
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  189. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Jonathan Lowenson
    Location: Lake Accotink Park
  190. Philadelphia Vireo Vireo philadelphicus
    # Count: X
    Date:
    Observer: Jonathan Plissner
    Location: Springfield_Betsy's
  191. Blue-winged Warbler Vermivora cyanoptera
    # Count: X
    Date:
    Observer: David Davis
    Location: Eakin Community Park
  192. American Bittern Botaurus lentiginosus
    # Count: 1
    Date:
    Observer: Jonathan Lowenson
    Location: Elizabeth Hartwell Mason Neck NWR--Great Marsh Trail
  193. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: USGS Upland Forest
  194. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Jonathan Lowenson
    Location: Lake Accotink Park
  195. Bay-breasted Warbler Setophaga castanea
    # Count: X
    Date:
    Observer: David Willard
    Location: Scott's Run Nature Preserve
  196. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Jonathan Lowenson
    Location: Dyke Marsh Wildlife Preserve
  197. Green-winged Teal Anas crecca
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  198. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  199. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  200. Lesser Black-backed Gull Larus fuscus
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  201. Tundra Swan Cygnus columbianus
    # Count: X
    Date:
    Observer: David Davis
    Location: Fraser Preserve
  202. Pine Siskin Spinus pinus
    # Count: X
    Date:
    Observer: Jonathan Plissner
    Location: Springfield_Betsy's
  203. American Tree Sparrow Spizelloides arborea
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  204. Yellow-breasted Chat Icteria virens
    # Count: X
    Date:
    Observer: David Davis
    Location: Fraser Preserve
  205. Orchard Oriole Icterus spurius
    # Count: X
    Date:
    Observer: David Davis
    Location: Fraser Preserve
  206. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Belle Haven Park--Picnic Area
  207. Greater Yellowlegs Tringa melanoleuca
    # Count: 2
    Date:
    Observer: Dave Czaplak
    Location: Belle Haven Park--Picnic Area
  208. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Belle Haven Park--Picnic Area
  209. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  210. Cliff Swallow Petrochelidon pyrrhonota
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: Great Falls Park
  211. Mourning Warbler Geothlypis philadelphia
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: Great Falls Park
  212. Virginia Rail Rallus limicola
    # Count: X
    Date:
    Observer: John Young
    Location: **HUNTLEY MEADOWS PARK
  213. Snow Goose Anser caerulescens
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Belle Haven Park--Picnic Area
  214. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: Byron Swift
    Location: Mason Neck State Park
  215. American Wigeon Mareca americana
    # Count: X
    Date:
    Observer: Byron Swift
    Location: Mason Neck State Park
  216. Dunlin Calidris alpina
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  217. Little Blue Heron Egretta caerulea
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Dyke Marsh Wildlife Preserve
  218. Semipalmated Plover Charadrius semipalmatus
    # Count: 3
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  219. White-rumped Sandpiper Calidris fuscicollis
    # Count: 2
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  220. Wilson's Phalarope Phalaropus tricolor
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  221. Western Sandpiper Calidris mauri
    # Count: 20
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  222. Sanderling Calidris alba
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  223. Ruff Calidris pugnax
    # Count: 1
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  224. Bullock's Oriole Icterus bullockii
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Dyke Marsh Wildlife Preserve
  225. Sharp-tailed Sandpiper Calidris acuminata
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Hunting Creek Bridge
  226. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Marc Ribaudo
    Location: **HUNTLEY MEADOWS PARK
  227. Black-crowned Night Heron Nycticorax nycticorax
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  228. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Marc Ribaudo
    Location: Huntley Meadows Park--Hike and Bike Trail
  229. Red Knot Calidris canutus
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  230. Baird's Sandpiper Calidris bairdii
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  231. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Steven Albert
    Location: **HUNTLEY MEADOWS PARK
  232. American Golden-Plover Pluvialis dominica
    # Count: 3
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  233. Common Gallinule Gallinula galeata
    # Count: 3
    Date:
    Observer: Gary Smith
    Location: Dyke Marsh Wildlife Preserve
  234. Ruddy Turnstone Arenaria interpres
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  235. Hudsonian Godwit Limosa haemastica
    # Count: 1
    Date:
    Observer: Paul Mocko
    Location: Hunting Creek Bridge
  236. Buff-breasted Sandpiper Calidris subruficollis
    # Count: 2
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  237. Western Grebe Aechmophorus occidentalis
    # Count: 1
    Date:
    Observer: Val Kitchens
    Location: Pohick Bay Regional Park
  238. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Stan Plante
    Location: Schindel Court
  239. Black Tern Chlidonias niger
    # Count: 4
    Date:
    Observer: Andrew Dasinger
    Location: Hunting Creek Bridge
  240. Willet Tringa semipalmata
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  241. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Andrew Dasinger
    Location: Hunting Creek Bridge
  242. American Avocet Recurvirostra americana
    # Count: 1
    Date:
    Observer: Jackson M. Abbott
    Location: Dyke Marsh Wildlife Preserve
  243. Franklin's Gull Leucophaeus pipixcan
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  244. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: Brian Lee Beerski (AKA Beers)
    Location: **HUNTLEY MEADOWS PARK
  245. White Ibis Eudocimus albus
    # Count: 1
    Date:
    Observer: Val Kitchens
    Location: Belle Haven Park--Picnic Area
  246. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Brian Lee Beerski (AKA Beers)
    Location: Lake Fairfax Park
  247. Brant Branta bernicla
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Belle Haven Park--Picnic Area
  248. Eurasian Wigeon Mareca penelope
    # Count: 1
    Date:
    Observer: Val Kitchens
    Location: Riverside Park
  249. Red-necked Grebe Podiceps grisegena
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Riverside Park
  250. White-winged Scoter Melanitta deglandi
    # Count: 9
    Date:
    Observer: Michael Bowen
    Location: Belle Haven Park--Marina
  251. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Great Falls Park
  252. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Edward Brinkley
    Location: Huntley Meadows Park--Hike and Bike Trail
  253. Alder Flycatcher Empidonax alnorum
    # Count: 1
    Date:
    Observer: Bruce Hill
    Location: Great Falls Park
  254. Royal Tern Thalasseus maximus
    # Count: X
    Date:
    Observer: Matthew O'Donnell
    Location: Dyke Marsh Wildlife Preserve
  255. American Goshawk Accipiter atricapillus
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Hidden Pond Park
  256. Long-billed Dowitcher Limnodromus scolopaceus
    # Count: 1
    Date:
    Observer: Paul Pisano
    Location: Hunting Creek Bridge
  257. Mississippi Kite Ictinia mississippiensis
    # Count: 2
    Date:
    Observer: Matthew O'Donnell
    Location: **HUNTLEY MEADOWS PARK
  258. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Diane Holsinger
    Location: **HUNTLEY MEADOWS PARK
  259. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Gary Graves
    Location: Alexandria yard
  260. Common Tern Sterna hirundo
    # Count: X
    Date:
    Observer: Roger Stone
    Location: Accotink Bay. Fort Belvoir
  261. Cinnamon Teal Spatula cyanoptera
    # Count: 1
    Date:
    Observer: Todd Michael Day
    Location: Accotink Bay Wildlife Refuge
  262. Sedge Wren Cistothorus stellaris
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: Wakefield Park
  263. Western Tanager Piranga ludoviciana
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Riverbend Park
  264. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Dyke Marsh Wildlife Preserve
  265. Swallow-tailed Kite Elanoides forficatus
    # Count: 1
    Date:
    Observer: Chris French
    Location: **HUNTLEY MEADOWS PARK
  266. Least Tern Sternula antillarum
    # Count: X
    Date:
    Observer: Rob Batchelder
    Location: Dyke Marsh Wildlife Preserve
  267. American White Pelican Pelecanus erythrorhynchos
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Hunting Creek Bridge
  268. Rufous Hummingbird Selasphorus rufus
    # Count: 1
    Date:
    Observer: Susan Heath
    Location: VA, Fairfax Co., Private Residence
  269. Black Scoter Melanitta americana
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Riverbend Park
  270. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Susan Heath
    Location: Bull Run Post Office Road
  271. Northern Shrike Lanius borealis
    # Count: 1
    Date:
    Observer: Todd Michael Day
    Location: Bull Run Post Office Road
  272. Harris's Sparrow Zonotrichia querula
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Bull Run Post Office Road
  273. Sandhill Crane Antigone canadensis
    # Count: 3
    Date:
    Observer: Sherman Suter
    Location: Belle Haven Park--Marina
  274. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Susan Heath
    Location: Ellanor C. Lawrence Park
  275. Western Cattle Egret Bubulcus ibis
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Hunting Creek Bridge
  276. Eared Grebe Podiceps nigricollis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Dyke Marsh Wildlife Preserve
  277. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Dyke Marsh Wildlife Preserve
  278. Red-throated Loon Gavia stellata
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  279. Barnacle Goose Branta leucopsis
    # Count: 1
    Date:
    Observer: Richard Rieger
    Location: Belle Haven Park--Picnic Area
  280. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Hunting Creek Bridge
  281. California Gull Larus californicus
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  282. Northern Saw-whet Owl Aegolius acadicus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Sully Woodlands
  283. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Susan Heath
    Location: VA, Fairfax Co., Pleasant Valley Road
  284. Red-necked Phalarope Phalaropus lobatus
    # Count: 1
    Date:
    Observer: Alex Merritt
    Location: Sunrise Valley Park (Herndon Monroe Wetland Preserve)
  285. Wilson's Storm-Petrel Oceanites oceanicus
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Dyke Marsh Wildlife Preserve
  286. Band-rumped Storm-Petrel Hydrobates castro
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Dyke Marsh Wildlife Preserve
  287. Snow Bunting Plectrophenax nivalis
    # Count: 1
    Date:
    Observer: Richard Rieger
    Location: lake accotink dam
  288. Greater White-fronted Goose Anser albifrons
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Elizabeth Hartwell Mason Neck NWR
  289. Brown-headed Nuthatch Sitta pusilla
    # Count: 1
    Date:
    Observer: Jay Keller
    Location: VA - Lorton, Occoquan Regional Park
  290. Clay-colored Sparrow Spizella pallida
    # Count: 1
    Date:
    Observer: David Larsen
    Location: Bull Run Regional Park
  291. White-faced Ibis Plegadis chihi
    # Count: X
    Date:
    Observer: Thomas Jones
    Location: **HUNTLEY MEADOWS PARK
  292. Upland Sandpiper Bartramia longicauda
    # Count: 1
    Date:
    Observer: Harry Glasgow
    Location: **HUNTLEY MEADOWS PARK
  293. Sooty Tern Onychoprion fuscatus
    # Count: 1
    Date:
    Observer: Jay Keller
    Location: Dyke Marsh Wildlife Preserve
  294. Chuck-will's-widow Antrostomus carolinensis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Mason Neck State Park
  295. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: Sandra Farkas
    Location: Mason Neck SP--Bay View Trail
  296. Black-bellied Whistling-Duck Dendrocygna autumnalis
    # Count: X
    Date:
    Observer: Anonymous eBirder
    Location: Pinewood Lake
  297. Common Redpoll Acanthis flammea
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Great Falls Park
  298. White-winged Crossbill Loxia leucoptera
    # Count: X
    Date:
    Observer: Tacey Bigger
    Location: McLean
  299. Whimbrel Numenius phaeopus
    # Count: 147
    Date:
    Observer: Kurt Gaskill
    Location: Dyke Marsh Wildlife Preserve
  300. Varied Thrush Ixoreus naevius
    # Count: 1
    Date:
    Observer: Steve Bershader
    Location: Virginia: Back Yard - 12011 Bennett Farms Ct.
  301. Dickcissel Spiza americana
    # Count: 1
    Date:
    Observer: Elton Morel
    Location: Meadowood Recreation Area--Mustang Trailhead
  302. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Burke Lake Park
  303. Marbled Godwit Limosa fedoa
    # Count: 1
    Date:
    Observer: David Ledwith
    Location: Hunting Creek Bridge
  304. Red Crossbill Loxia curvirostra
    # Count: 1
    Date:
    Observer: Frederick Atwood
    Location: Flint Hill School and Oakmont Park
  305. MacGillivray's Warbler Geothlypis tolmiei
    # Count: 1
    Date:
    Observer: Richard Rieger
    Location: Dyke Marsh Wildlife Preserve
  306. Trumpeter Swan Cygnus buccinator
    # Count: 1
    Date:
    Observer: Eric R
    Location: Belle Haven Park--Marina
  307. Snowy Owl Bubo scandiacus
    # Count: 1
    Date:
    Observer: Larry Meade
    Location: stakeout Snowy Owl, Springfield Mall (2014)
  308. Piping Plover Charadrius melodus
    # Count: 1
    Date:
    Observer: Timothy Guida
    Location: Hunting Creek Bridge
  309. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Robert Young
    Location: **HUNTLEY MEADOWS PARK
  310. Brown Pelican Pelecanus occidentalis
    # Count: 1
    Date:
    Observer: Dean Gregory
    Location: Pohick Bay Regional Park
  311. Lapland Longspur Calcarius lapponicus
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Meadowood Recreation Area
  312. Painted Bunting Passerina ciris
    # Count: 1
    Date:
    Observer: Brenton Mundt
    Location: Laurel Hill Equestrian Center
  313. Western Kingbird Tyrannus verticalis
    # Count: 1
    Date:
    Observer: Susan Evans
    Location: Dyke Marsh Trail
  314. Sandwich Tern Thalasseus sandvicensis
    # Count: 7
    Date:
    Observer: Deapesh M
    Location: Occoquan Sewage Plant (UOSA)
  315. Say's Phoebe Sayornis saya
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Fairfax County Landfill (restricted access)
  316. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: Woodglen Lake
  317. Limpkin Aramus guarauna
    # Count: 1
    Date:
    Observer: James Fox
    Location: Fountainhead Regional Park
  318. Ross's Goose Anser rossii
    # Count: 1
    Date:
    Observer: Amiel Hopkins
    Location: Hunting Creek Bridge
  319. Yellow-headed Blackbird Xanthocephalus xanthocephalus
    # Count: 1
    Date:
    Observer: Joan Mashburn
    Location: Dyke Marsh Wildlife Preserve
  320. Sabine's Gull Xema sabini
    # Count: 1
    Date:
    Observer: Frank Klotz
    Location: Mount Vernon Trail Potomac Overlook Parking Station 13
  321. Clapper Rail Rallus crepitans
    # Count: 1
    Date:
    Observer: Cory Swift
    Location: **HUNTLEY MEADOWS PARK
  322. Roseate Spoonbill Platalea ajaja
    # Count: 1
    Date:
    Observer: Isabella Carlson
    Location: **HUNTLEY MEADOWS PARK
  323. Black-headed Gull Chroicocephalus ridibundus
    # Count: 1
    Date:
    Observer: Daniel Lebbin
    Location: Hunting Creek Bridge
  324. Wood Stork Mycteria americana
    # Count: 1
    Date:
    Observer: Antonio Quezon
    Location: Fairfax Station, Virginia
  325. Nelson's Sparrow Ammospiza nelsoni
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Waples Mill Meadow Park
  326. LeConte's Sparrow Ammospiza leconteii
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Sully Woodlands
  327. Pacific Loon Gavia pacifica
    # Count: 1
    Date:
    Observer: Evan Pannkuk
    Location: Pohick Bay Regional Park
  328. Anhinga Anhinga anhinga
    # Count: 1
    Date:
    Observer: Matt Felperin
    Location: Fountainhead Regional Park
  329. Henslow's Sparrow Centronyx henslowii
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Waples Mill Meadow Park
  330. Black-throated Gray Warbler Setophaga nigrescens
    # Count: 1
    Date:
    Observer: Barbara Liechti
    Location: US-Virginia-Springfield-7412 Spring Village Drive - 38.769x-77.205
  331. Swainson's Hawk Buteo swainsoni
    # Count: 1
    Date:
    Observer: Will Brooks
    Location: Waples Mill Meadow Park
  332. Long-eared Owl Asio otus
    # Count: 1
  333. Black Rail Laterallus jamaicensis
    # Count: 1

Exotic: Escapee (20)

  1. Ruddy Shelduck Tadorna ferruginea
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Lake Anne
  2. Ring-necked Pheasant Phasianus colchicus
    # Count: 1
    Date:
    Observer: Marc Ribaudo
    Location: **HUNTLEY MEADOWS PARK
  3. Mandarin Duck Aix galericulata
    # Count: 1
    Date:
    Observer: Gregory Schrott
    Location: Great Falls Park
  4. Nanday Parakeet Aratinga nenday
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: **HUNTLEY MEADOWS PARK
  5. White-cheeked Pintail Anas bahamensis
    # Count: 1
    Date:
    Observer: Virginia's omnium-gatherum
    Location: Burke Lake Park
  6. Orange-cheeked Waxbill Estrilda melpoda
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: **HUNTLEY MEADOWS PARK
  7. African Collared-Dove Streptopelia roseogrisea
    # Count: 1
    Date:
    Observer: Ben Jesup
    Location: 2205 Paul Spring
  8. Northern Red Bishop Euplectes franciscanus
    # Count: 1
    Date:
    Observer: Jim Goehring
    Location: **HUNTLEY MEADOWS PARK
  9. Budgerigar Melopsittacus undulatus
    # Count: 1
    Date:
    Observer: Fred Shaffer
    Location: **HUNTLEY MEADOWS PARK
  10. Muscovy Duck Cairina moschata
    # Count: X
    Date:
    Observer: Gaylan Meyer
    Location: Royal Lake Park
  11. Bar-headed Goose Anser indicus
    # Count: 2
    Date:
    Observer: Michael Bowen
    Location: Great Falls Park
  12. Graylag Goose Anser anser
    # Count: 1
    Date:
    Observer: Martha Vandervoort
    Location: Lake Fairfax Park
  13. Cockatiel Nymphicus hollandicus
    # Count: 1
    Date:
    Observer: Ian Godwin
    Location: Stanton Park--Park Avenue
  14. Chukar Alectoris chukar
    # Count: 1
    Date:
    Observer: Vince Ascrizzi
    Location: Richland Meadows Great Falls
  15. Rosy-faced Lovebird Agapornis roseicollis
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: New Alexandria: I St
  16. Indian Peafowl Pavo cristatus
    # Count: 1
    Date:
    Observer: Joshua Emm
    Location: Sully Woodlands
  17. Red Junglefowl Gallus gallus
    # Count: 1
    Date:
    Observer: Jeff Clark
    Location: Sully Woodlands
  18. Monk Parakeet Myiopsitta monachus
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: New Alexandria: I St
  19. Black Swan Cygnus atratus
    # Count: 1
    Date:
    Observer: P.W. Boyd
    Location: Burke Lake Park
  20. Ringed Teal Callonetta leucophrys
    # Count: 1
    Date:
    Observer: Peter Nguyen
    Location: Lake Accotink Park

Hybrids (10)

  1. Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensis
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Hunting Creek Bridge
  2. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Craig Tumer
    Location: Lorton Station
  3. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Frederick Atwood
    Location: Flint Hill School and Oakmont Park
  4. Graylag x Canada Goose (hybrid) Anser anser x Branta canadensis
    # Count: 1
    Date:
    Observer: Ashley Bradford
    Location: Belle Haven Park--Picnic Area
  5. Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanoptera
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Difficult Run Stream Valley Park (Oakton)
  6. Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acuta
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Belle Haven Park--Picnic Area
  7. Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
    # Count: 1
    Date:
    Observer: Janice Lloyd
    Location: Swift Creek Court, Fairfax Station
  8. Barn x Cliff Swallow (hybrid) Hirundo rustica x Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: Paul and Joan Woodward
    Location: Woodglen Lake
  9. Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensis
    # Count: 1
    Date:
    Observer: Kurt Gaskill
    Location: Hallowing Point Association Park
  10. Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensis
    # Count: 1
    Date:
    Observer: Pi Nicola
    Location: VA RESTON Library block

Additional Taxa (91)

  1. pigeon/dove sp. Columbidae sp.
    # Count: X
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  2. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  3. Zonotrichia sp. Zonotrichia sp.
    # Count: 1
    Date:
    Observer: James Eike
    Location: 2231 North Tuckahoe Street, Falls Church
  4. passerine sp. Passeriformes sp.
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  5. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  6. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  7. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  8. new world sparrow sp. Passerellidae sp.
    # Count: 4
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  9. new world warbler sp. Parulidae sp.
    # Count: 2
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  10. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Dr. James Gibson
    Location: Camp Wilson
  11. crow sp. Corvus sp. (crow sp.)
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  12. Greater/Lesser Scaup Aythya marila/affinis
    # Count: X
    Date:
    Observer: David Davis
    Location: Dyke Marsh Wildlife Preserve
  13. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: X
    Date:
    Observer: Mike Stinson
    Location: Dyke Marsh Wildlife Preserve
  14. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: Clyde Kessler
    Location: Great Falls Park
  15. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Clyde Kessler
    Location: Great Falls Park
  16. duck sp. Anatidae (duck sp.)
    # Count: 100
    Date:
    Observer: Celeste Paiva
    Location: Lake Braddock
  17. gull sp. Larinae sp.
    # Count: X
    Date:
    Observer: Gregory Allen
    Location: Annandale
  18. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: X
    Date:
    Observer: Gary & Shelley Drendel
    Location: Scott's Run Nature Preserve
  19. owl sp. Strigiformes sp.
    # Count: X
    Date:
    Observer: Gary & Shelley Drendel
    Location: **HUNTLEY MEADOWS PARK
  20. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 2
    Date:
    Observer: Clyde Kessler
    Location: Chesterbrook Woods
  21. peep sp. Calidris sp. (peep sp.)
    # Count: 2
    Date:
    Observer: Andrew Dasinger
    Location: Hunting Creek Bridge
  22. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Val Kitchens
    Location: Hunting Creek Bridge
  23. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: Belle Haven Park--Picnic Area
  24. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 2
    Date:
    Observer: Michael Bowen
    Location: Belle Haven Park--Picnic Area
  25. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Sara Chapman
    Location: Huntley Meadows Park--Hike and Bike Trail
  26. swallow sp. Hirundinidae sp.
    # Count: 2
    Date:
    Observer: Howard Youth
    Location: **HUNTLEY MEADOWS PARK
  27. blackbird sp. Icteridae sp.
    # Count: X
    Date:
    Observer: Tracie Jeffries
    Location: **HUNTLEY MEADOWS PARK
  28. Aythya sp. Aythya sp.
    # Count: X
    Date:
    Observer: Ruth Rudesill
    Location: Riverside Park
  29. Western/Semipalmated Sandpiper Calidris mauri/pusilla
    # Count: 20
    Date:
    Observer: Paul Pisano
    Location: Hunting Creek Bridge
  30. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: Ken Murphy
    Location: Great Falls Park
  31. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 9
    Date:
    Observer: Daniel Lebbin
    Location: Burke Lake Park
  32. tern sp. Sterninae sp.
    # Count: X
    Date:
    Observer: Brian Broderick
    Location: Mason Neck State Park
  33. loon sp. Gavia sp.
    # Count: X
    Date:
    Observer: Chris French
    Location: **HUNTLEY MEADOWS PARK
  34. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: X
    Date:
    Observer: Chris French
    Location: **HUNTLEY MEADOWS PARK
  35. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 2
    Date:
    Observer: Chris French
    Location: Dyke Marsh Wildlife Preserve
  36. falcon sp. Falco sp.
    # Count: X
    Date:
    Observer: Chris French
    Location: **HUNTLEY MEADOWS PARK
  37. woodpecker sp. Picidae sp.
    # Count: 2
    Date:
    Observer: Stephen Constantelos
    Location: **HUNTLEY MEADOWS PARK
  38. Rufous/Allen's Hummingbird Selasphorus rufus/sasin
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Dunn Loring: Private Residence
  39. small falcon sp. Falco sp. (small falcon sp.)
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Dyke Marsh Wildlife Preserve
  40. teal sp. Anatidae sp. (teal sp.)
    # Count: 100
    Date:
    Observer: Scott Baron
    Location: Belle Haven Marina/Dyke Marsh/Belle Haven picnic area
  41. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  42. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  43. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Fair Ridge neighborhood area
  44. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck State Park
  45. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Mason Neck SP--Visitors Center
  46. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: **HUNTLEY MEADOWS PARK
  47. swan sp. Cygnus sp.
    # Count: 15
    Date:
    Observer: Scott Baron
    Location: American Horticultural Society
  48. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 3
    Date:
    Observer: Scott Baron
    Location: Riverbend Park
  49. finch sp. Fringillidae sp.
    # Count: 9
    Date:
    Observer: Scott Baron
    Location: Fair Woods neighborhood
  50. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 40
    Date:
    Observer: Sherman Suter
    Location: Riverside Park
  51. Larus sp. Larus sp.
    # Count: 10
    Date:
    Observer: Claire Kluskens
    Location: Stockton Parkway
  52. tanager sp. (Piranga sp.) Piranga sp.
    # Count: 2
    Date:
    Observer: Scott Baron
    Location: Elklick Woodlands Natural Area Preserve
  53. thrush sp. Turdidae sp.
    # Count: 200
    Date:
    Observer: Scott Baron
    Location: Fair Woods neighborhood
  54. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 11
    Date:
    Observer: Rusty Moran
    Location: Meadowood Recreation Area
  55. bird sp. Aves sp.
    # Count: X
    Date:
    Observer: Ashley Bradford
    Location: Arkendale
  56. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Belle Haven Park--Picnic Area
  57. Coccyzus sp. Coccyzus sp.
    # Count: 1
    Date:
    Observer: John C. Mittermeier
    Location: Riverbend Park
  58. Calidris sp. Calidris sp.
    # Count: 3
    Date:
    Observer: Gerry Hawkins
    Location: Hunting Creek Bridge
  59. goose sp. Anatidae (goose sp.)
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Waples Mill Meadow Park
  60. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 1
    Date:
    Observer: Charles Fezzie
    Location: fronthouse
  61. hummingbird sp. Trochilidae sp.
    # Count: 1
    Date:
    Observer: stephen johnson šŸ¦œ
    Location: Cub Run RECenter
  62. Acanthis/Spinus sp. Acanthis/Spinus sp.
    # Count: 10
    Date:
    Observer: Bruce Hill
    Location: Huntley Meadows Park--Observation Tower
  63. large tern sp. Hydroprogne/Thalasseus sp.
    # Count: 1
    Date:
    Observer: Daniel Lebbin
    Location: Belle Haven Park--North Parking Area
  64. large falcon sp. Falco sp. (large falcon sp.)
    # Count: 1
    Date:
    Observer: stephen johnson šŸ¦œ
    Location: Flat Lick Stream Valley Park
  65. Leiothlypis sp. Leiothlypis sp.
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Difficult Run Stream Valley Park (Oakton)
  66. new world vulture sp. Cathartidae sp.
    # Count: 1
    Date:
    Observer: Jamie Lynn Riedy
    Location: **HUNTLEY MEADOWS PARK
  67. Cackling/Canada Goose Branta hutchinsii/canadensis
    # Count: 14
    Date:
    Observer: Sherman Suter
    Location: Belle Haven PG to Stone Bridge
  68. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: **HUNTLEY MEADOWS PARK
  69. Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: **HUNTLEY MEADOWS PARK
  70. Spizella sp. Spizella sp.
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: US-VA-Alexandria-Huntley Meadows Park - 38.7573x-77.0986
  71. nuthatch sp. Sitta sp.
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Difficult Run Stream Valley Park (Oakton)
  72. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 1
    Date:
    Observer: Quinn Emmering
    Location: Belle Haven Park--Picnic Area
  73. Passerina sp. Passerina sp.
    # Count: 2
    Date:
    Observer: Marisa Rositol
    Location: Dyke Marsh Wildlife Preserve
  74. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 1
    Date:
    Observer: Kristine Lansing
    Location: Great Falls Park
  75. Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.
    # Count: 1
    Date:
    Observer: Logan Anderson
    Location: Sully Woodlands
  76. grebe sp. Podicipedidae sp.
    # Count: 1
    Date:
    Observer: stephen johnson šŸ¦œ
    Location: Occoquan Sewage Plant (UOSA)
  77. Podiceps sp. Podiceps sp.
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: Burke Lake Park E of Old Keen Mill
  78. Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelli
    # Count: 1
    Date:
    Observer: Charlie Barnard Jr.
    Location: Lake Fairfax Park
  79. eagle sp. Accipitridae sp. (eagle sp.)
    # Count: 1
    Date:
    Observer: Hugh McGuinness
    Location: Fort Marcy Park, Mc Lean US-VA (38.9343,-77.1280)
  80. heron sp. Ardeidae sp.
    # Count: 1
    Date:
    Observer: Katie Hodge
    Location: Windy Hill/NRLFCU Walk
  81. waterfowl sp. Anatidae sp.
    # Count: 3
    Date:
    Observer: Amiel Hopkins
    Location: Hunting Creek Bridge
  82. Bullock's/Baltimore Oriole Icterus bullockii/galbula
    # Count: 1
    Date:
    Observer: Edward Eder
    Location: Belle Haven Park--Picnic Area
  83. Forster's/Common Tern Sterna forsteri/hirundo
    # Count: 2
    Date:
    Observer: Amiel Hopkins
    Location: Elizabeth Hartwell Mason Neck NWR
  84. plover sp. Charadriidae sp.
    # Count: 1
    Date:
    Observer: Amiel Hopkins
    Location: Elizabeth Hartwell Mason Neck NWR
  85. Common/Barrow's Goldeneye Bucephala clangula/islandica
    # Count: 1
    Date:
    Observer: Adit Nehra
    Location: Mason Neck State Park
  86. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 1
    Date:
    Observer: Sherman Suter
    Location: **HUNTLEY MEADOWS PARK
  87. Sterna sp. Sterna sp.
    # Count: 2
    Date:
    Observer: Amiel Hopkins
    Location: Belle Haven Park--North Parking Area
  88. nighthawk sp. Chordeiles sp.
    # Count: 1
    Date:
    Observer: Nick Newberry
    Location: Club Newberry
  89. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 2
    Date:
    Observer: Robin Trevillian
    Location: Mason Neck SP--Kane's Creek Trail
  90. gull/tern sp. Laridae sp.
    # Count: 3
    Date:
    Observer: Sherman Suter
    Location: George Mason Conference Center
  91. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    # Count: 1
    Date:
    Observer: Ethan Green
    Location: Stratton Woods Park