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Walker Nature Center--Reston

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Bird List

Updated ~7 seconds ago
149 All Years 87 This Year 2024 35 This Month Jun 2024
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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (149)

  1. Canada Goose Branta canadensis
    # Count: 5
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  2. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  3. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  4. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 1
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  5. Downy Woodpecker Dryobates pubescens
    # Count: 2
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  6. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  7. Barn Swallow Hirundo rustica
    # Count: 4
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  8. Carolina Wren Thryothorus ludovicianus
    # Count: 2
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  9. Gray Catbird Dumetella carolinensis
    # Count: 2
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  10. American Robin Turdus migratorius
    # Count: 7
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  11. House Sparrow Passer domesticus
    # Count: 4
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  12. Common Grackle Quiscalus quiscula
    # Count: 1
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  13. Northern Cardinal Cardinalis cardinalis
    # Count: 15
    Date:
    Observer: Ashton Ebert
    Location: Walker Nature Center--Reston
  14. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  15. Eastern Wood-Pewee Contopus virens
    # Count: 2
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  16. Acadian Flycatcher Empidonax virescens
    # Count: 4
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  17. Red-eyed Vireo Vireo olivaceus
    # Count: 2
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  18. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  19. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  20. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  21. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  22. Wood Duck Aix sponsa
    # Count: 3
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  23. Double-crested Cormorant Nannopterum auritum
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  24. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  25. Fish Crow Corvus ossifragus
    # Count: 2
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  26. Carolina Chickadee Poecile carolinensis
    # Count: 11
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  27. Tufted Titmouse Baeolophus bicolor
    # Count: 10
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  28. Tree Swallow Tachycineta bicolor
    # Count: 3
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  29. House Wren Troglodytes aedon
    # Count: 4
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  30. House Finch Haemorhous mexicanus
    # Count: 4
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  31. American Goldfinch Spinus tristis
    # Count: 4
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  32. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  33. Song Sparrow Melospiza melodia
    # Count: 2
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  34. Red-winged Blackbird Agelaius phoeniceus
    # Count: 3
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  35. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  36. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  37. Black-throated Green Warbler Setophaga virens
    # Count: 4
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  38. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  39. Eastern Bluebird Sialia sialis
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  40. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  41. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  42. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  43. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  44. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  45. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  46. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  47. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Marjorie Copson
    Location: Walker Nature Center--Reston
  48. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Marjorie Copson
    Location: Walker Nature Center--Reston
  49. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Marjorie Copson
    Location: Walker Nature Center--Reston
  50. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  51. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  52. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  53. Ovenbird Seiurus aurocapilla
    # Count: 3
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  54. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  55. Common Yellowthroat Geothlypis trichas
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  56. Northern Parula Setophaga americana
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  57. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  58. Mourning Dove Zenaida macroura
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  59. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  60. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  61. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Evan Pannkuk
    Location: Walker Nature Center--Reston
  62. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Evan Pannkuk
    Location: Walker Nature Center--Reston
  63. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  64. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  65. Yellow-rumped Warbler Setophaga coronata
    # Count: 2
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  66. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  67. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  68. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  69. Louisiana Waterthrush Parkesia motacilla
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  70. Mallard Anas platyrhynchos
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  71. Turkey Vulture Cathartes aura
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  72. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  73. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  74. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: Marjorie Copson
    Location: Walker Nature Center--Reston
  75. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  76. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  77. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: John Moyle
    Location: Walker Nature Center--Reston
  78. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: John Moyle
    Location: Walker Nature Center--Reston
  79. Blue-winged Teal Spatula discors
    # Count: 2
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  80. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  81. Black Vulture Coragyps atratus
    # Count: 4
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  82. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  83. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  84. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  85. Ring-billed Gull Larus delawarensis
    # Count: 23
    Date:
    Observer: Jeff Tessein
    Location: Walker Nature Center--Reston
  86. Cedar Waxwing Bombycilla cedrorum
    # Count: 1
    Date:
    Observer: Jeff Davis
    Location: Walker Nature Center--Reston
  87. Sandhill Crane Antigone canadensis
    # Count: 2
    Date:
    Observer: Sam Simon
    Location: Walker Nature Center--Reston
  88. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  89. Ruby-throated Hummingbird Archilochus colubris
    # Count: 1
    Date:
    Observer: David Gorsline
    Location: Walker Nature Center--Reston
  90. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  91. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Tom Behnfield
    Location: Walker Nature Center--Reston
  92. Eastern Kingbird Tyrannus tyrannus
    # Count: 2
    Date:
    Observer: Haleigh Atwell
    Location: Walker Nature Center--Reston
  93. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  94. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Michael Piper
    Location: Walker Nature Center--Reston
  95. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  96. Northern Mockingbird Mimus polyglottos
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  97. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  98. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  99. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: David Young
    Location: Walker Nature Center--Reston
  100. Warbling Vireo Vireo gilvus
    # Count: 1
    Date:
    Observer: BRIAN HANSEN
    Location: Walker Nature Center--Reston
  101. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  102. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Joshua Berman
    Location: Walker Nature Center--Reston
  103. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Walker Nature Center--Reston
  104. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: Walker Nature Center--Reston
  105. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  106. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  107. Lesser Scaup Aythya affinis
    # Count: 2
    Date:
    Observer: Adrin A.
    Location: Walker Nature Center--Reston
  108. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: Bill Burton
    Location: Walker Nature Center--Reston
  109. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Christine Kalahiki
    Location: Walker Nature Center--Reston
  110. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: 1
    Date:
    Observer: A Stocking
    Location: Walker Nature Center--Reston
  111. Purple Martin Progne subis
    # Count: 5
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  112. Canada Warbler Cardellina canadensis
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  113. Common Nighthawk Chordeiles minor
    # Count: 2
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  114. Kentucky Warbler Geothlypis formosa
    # Count: 2
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  115. Wilson's Warbler Cardellina pusilla
    # Count: 2
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  116. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  117. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  118. Rock Pigeon Columba livia
    # Count: 1
    Date:
    Observer: Neal Gause
    Location: Walker Nature Center--Reston
  119. Bufflehead Bucephala albeola
    # Count: 2
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  120. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Joanne and David Bauer
    Location: Walker Nature Center--Reston
  121. Hooded Merganser Lophodytes cucullatus
    # Count: 8
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  122. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Steve Ingeman
    Location: Walker Nature Center--Reston
  123. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Eric Anderson
    Location: Walker Nature Center--Reston
  124. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Jeff Davis
    Location: Walker Nature Center--Reston
  125. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 3
    Date:
    Observer: Jeff Davis
    Location: Walker Nature Center--Reston
  126. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  127. Bank Swallow Riparia riparia
    # Count: 2
    Date:
    Observer: Joseph Edleblute
    Location: Walker Nature Center--Reston
  128. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: BRIAN HANSEN
    Location: Walker Nature Center--Reston
  129. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: BRIAN HANSEN
    Location: Walker Nature Center--Reston
  130. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: BRIAN HANSEN
    Location: Walker Nature Center--Reston
  131. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  132. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  133. Pine Siskin Spinus pinus
    # Count: 4
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  134. Redhead Aythya americana
    # Count: 5
    Date:
    Observer: Laurel Wanrow
    Location: Walker Nature Center--Reston
  135. Ring-necked Duck Aythya collaris
    # Count: 4
    Date:
    Observer: Laurel Wanrow
    Location: Walker Nature Center--Reston
  136. Long-tailed Duck Clangula hyemalis
    # Count: 1
    Date:
    Observer: Glen Gerada
    Location: Walker Nature Center--Reston
  137. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: Phil Silas
    Location: Walker Nature Center--Reston
  138. Rusty Blackbird Euphagus carolinus
    # Count: 1
    Date:
    Observer: Phil Silas
    Location: Walker Nature Center--Reston
  139. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  140. Chuck-will's-widow Antrostomus carolinensis
    # Count: 1
    Date:
    Observer: Sam Simon
    Location: Walker Nature Center--Reston
  141. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Tahiry Langrand
    Location: Walker Nature Center--Reston
  142. Tundra Swan Cygnus columbianus
    # Count: 45
    Date:
    Observer: Edward Clark
    Location: Walker Nature Center--Reston
  143. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Lamya & Jesse Thompson
    Location: Walker Nature Center--Reston
  144. Red-breasted Merganser Mergus serrator
    # Count: 2
    Date:
    Observer: Jean Tatalias
    Location: Walker Nature Center--Reston
  145. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  146. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston
  147. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Bill Brown
    Location: Walker Nature Center--Reston
  148. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Edward Clark
    Location: Walker Nature Center--Reston
  149. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Ken Rosenthal
    Location: Walker Nature Center--Reston

Hybrids (1)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Thomas Showalter
    Location: Walker Nature Center--Reston

Additional Taxa (21)

  1. new world warbler sp. Parulidae sp.
    # Count: 4
    Date:
    Observer: Matthew O'Donnell
    Location: Walker Nature Center--Reston
  2. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  3. crow sp. Corvus sp. (crow sp.)
    # Count: 1
    Date:
    Observer: Sean Fahey
    Location: Walker Nature Center--Reston
  4. thrush sp. Turdidae sp.
    # Count: 2
    Date:
    Observer: A Stocking
    Location: Walker Nature Center--Reston
  5. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Joshua Stafford
    Location: Walker Nature Center--Reston
  6. swallow sp. Hirundinidae sp.
    # Count: 3
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  7. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Joan Mashburn
    Location: Walker Nature Center--Reston
  8. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Peter L
    Location: Walker Nature Center--Reston
  9. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 2
    Date:
    Observer: Jeff Davis
    Location: Walker Nature Center--Reston
  10. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Pete Huffer
    Location: Walker Nature Center--Reston
  11. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Neal Gause
    Location: Walker Nature Center--Reston
  12. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 15
    Date:
    Observer: David Ballard
    Location: Walker Nature Center--Reston
  13. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: David Ballard
    Location: Walker Nature Center--Reston
  14. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: Bill Burton
    Location: Walker Nature Center--Reston
  15. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Kristine Lansing
    Location: Walker Nature Center--Reston
  16. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  17. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  18. duck sp. Anatidae (duck sp.)
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  19. Empidonax sp. Empidonax sp.
    # Count: 1
    Date:
    Observer: Robin Duska
    Location: Walker Nature Center--Reston
  20. gull sp. Larinae sp.
    # Count: 1
    Date:
    Observer: Jean Tatalias
    Location: Walker Nature Center--Reston
  21. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Tom Goetz
    Location: Walker Nature Center--Reston