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Bird List

Updated ~11 seconds ago
183 All Years 97 This Year 2024 44 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (183)

  1. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  2. Red-shouldered Hawk Buteo lineatus
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  3. Red-bellied Woodpecker Melanerpes carolinus
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  4. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  5. Eastern Wood-Pewee Contopus virens
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  6. Red-eyed Vireo Vireo olivaceus
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  7. Blue Jay Cyanocitta cristata
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  8. Carolina Chickadee Poecile carolinensis
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  9. Tufted Titmouse Baeolophus bicolor
    # Count: 3
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  10. White-breasted Nuthatch Sitta carolinensis
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  11. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  12. Carolina Wren Thryothorus ludovicianus
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  13. American Robin Turdus migratorius
    # Count: 2
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  14. American Goldfinch Spinus tristis
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  15. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  16. Red-winged Blackbird Agelaius phoeniceus
    # Count: 6
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  17. Northern Cardinal Cardinalis cardinalis
    # Count: 7
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  18. Canada Goose Branta canadensis
    # Count: 4
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  19. Mourning Dove Zenaida macroura
    # Count: 2
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  20. Double-crested Cormorant Nannopterum auritum
    # Count: 5
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  21. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  22. Pileated Woodpecker Dryocopus pileatus
    # Count: 1
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  23. Great Crested Flycatcher Myiarchus crinitus
    # Count: 1
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  24. American Crow Corvus brachyrhynchos
    # Count: 1
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  25. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: 4
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  26. Common Grackle Quiscalus quiscula
    # Count: 2
    Date:
    Observer: Ann Hobbs
    Location: Carderock Recreation Area
  27. Mallard Anas platyrhynchos
    # Count: 1
    Date:
    Observer: Derek Bentley
    Location: Carderock Recreation Area
  28. Northern Flicker Colaptes auratus
    # Count: 1
    Date:
    Observer: Derek Bentley
    Location: Carderock Recreation Area
  29. Warbling Vireo Vireo gilvus
    # Count: 4
    Date:
    Observer: Derek Bentley
    Location: Carderock Recreation Area
  30. Common Merganser Mergus merganser
    # Count: 12
    Date:
    Observer: Alex Thomas
    Location: Carderock Recreation Area
  31. Chimney Swift Chaetura pelagica
    # Count: 3
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  32. Hairy Woodpecker Dryobates villosus
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  33. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  34. Gray Catbird Dumetella carolinensis
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  35. Eastern Bluebird Sialia sialis
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  36. Scarlet Tanager Piranga olivacea
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  37. Louisiana Waterthrush Parkesia motacilla
    # Count: 3
    Date:
    Observer: Allen Burke
    Location: Carderock Recreation Area
  38. Northern Parula Setophaga americana
    # Count: 2
    Date:
    Observer: Allen Burke
    Location: Carderock Recreation Area
  39. Indigo Bunting Passerina cyanea
    # Count: 1
    Date:
    Observer: Allen Burke
    Location: Carderock Recreation Area
  40. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Scott Falk
    Location: Carderock Recreation Area
  41. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Scott Falk
    Location: Carderock Recreation Area
  42. Baltimore Oriole Icterus galbula
    # Count: 1
    Date:
    Observer: Scott Falk
    Location: Carderock Recreation Area
  43. Belted Kingfisher Megaceryle alcyon
    # Count: 1
    Date:
    Observer: Allen Burke
    Location: Carderock Recreation Area
  44. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Allen Burke
    Location: Carderock Recreation Area
  45. Wood Duck Aix sponsa
    # Count: 20
    Date:
    Observer: Louis Campagna
    Location: Carderock Recreation Area
  46. Black Vulture Coragyps atratus
    # Count: 6
    Date:
    Observer: Louis Campagna
    Location: Carderock Recreation Area
  47. Northern Mockingbird Mimus polyglottos
    # Count: 2
    Date:
    Observer: Louis Campagna
    Location: Carderock Recreation Area
  48. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: B R
    Location: Carderock Recreation Area
  49. Bald Eagle Haliaeetus leucocephalus
    # Count: 1
    Date:
    Observer: B R
    Location: Carderock Recreation Area
  50. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: B R
    Location: Carderock Recreation Area
  51. Yellow-throated Vireo Vireo flavifrons
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  52. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Paul K
    Location: Carderock Recreation Area
  53. Cedar Waxwing Bombycilla cedrorum
    # Count: 40
    Date:
    Observer: Paul K
    Location: Carderock Recreation Area
  54. White-eyed Vireo Vireo griseus
    # Count: 1
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  55. Tree Swallow Tachycineta bicolor
    # Count: 10
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  56. Purple Martin Progne subis
    # Count: 6
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  57. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: John Anderson
    Location: Carderock Recreation Area
  58. Barn Swallow Hirundo rustica
    # Count: 8
    Date:
    Observer: John Anderson
    Location: Carderock Recreation Area
  59. Cliff Swallow Petrochelidon pyrrhonota
    # Count: 1
    Date:
    Observer: John Anderson
    Location: Carderock Recreation Area
  60. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: John Anderson
    Location: Carderock Recreation Area
  61. Common Nighthawk Chordeiles minor
    # Count: 6
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  62. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  63. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  64. White-throated Sparrow Zonotrichia albicollis
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  65. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  66. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  67. Glossy Ibis Plegadis falcinellus
    # Count: 1
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  68. Common Raven Corvus corax
    # Count: 2
    Date:
    Observer: David Roberts
    Location: Carderock Recreation Area
  69. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: David Roberts
    Location: Carderock Recreation Area
  70. Chipping Sparrow Spizella passerina
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Carderock Recreation Area
  71. Ovenbird Seiurus aurocapilla
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  72. Common Yellowthroat Geothlypis trichas
    # Count: 2
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  73. Great Horned Owl Bubo virginianus
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  74. Yellow-rumped Warbler Setophaga coronata
    # Count: 2
    Date:
    Observer: John Poole
    Location: Carderock Recreation Area
  75. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Emily Larkin
    Location: Carderock Recreation Area
  76. Palm Warbler Setophaga palmarum
    # Count: 1
    Date:
    Observer: a d
    Location: Carderock Recreation Area
  77. European Starling Sturnus vulgaris
    # Count: 4
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  78. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: Carderock Recreation Area
  79. Ruby-crowned Kinglet Corthylio calendula
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: Carderock Recreation Area
  80. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: Carderock Recreation Area
  81. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: Carderock Recreation Area
  82. House Finch Haemorhous mexicanus
    # Count: 1
    Date:
    Observer: Kelly Shima
    Location: Carderock Recreation Area
  83. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: a d
    Location: Carderock Recreation Area
  84. House Wren Troglodytes aedon
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  85. Dark-eyed Junco Junco hyemalis
    # Count: 2
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  86. Swamp Sparrow Melospiza georgiana
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  87. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Gene Murray
    Location: Carderock Recreation Area
  88. Hermit Thrush Catharus guttatus
    # Count: 1
    Date:
    Observer: David Clark
    Location: Carderock Recreation Area
  89. Pine Warbler Setophaga pinus
    # Count: 1
    Date:
    Observer: David Clark
    Location: Carderock Recreation Area
  90. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  91. Ring-billed Gull Larus delawarensis
    # Count: 1
    Date:
    Observer: Matt Cohen
    Location: Carderock Recreation Area
  92. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: 1
    Date:
    Observer: Jackie Raiford
    Location: Carderock Recreation Area
  93. Golden-crowned Kinglet Regulus satrapa
    # Count: 1
    Date:
    Observer: Jackie Raiford
    Location: Carderock Recreation Area
  94. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Carderock Recreation Area
  95. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Roger Munter
    Location: Carderock Recreation Area
  96. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Gene Murray
    Location: Carderock Recreation Area
  97. Snow Goose Anser caerulescens
    # Count: 11
    Date:
    Observer: Anonymous eBirder
    Location: Carderock Recreation Area
  98. Hooded Merganser Lophodytes cucullatus
    # Count: 2
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  99. Killdeer Charadrius vociferus
    # Count: 2
    Date:
    Observer: Cristina Pereira
    Location: Carderock Recreation Area
  100. Winter Wren Troglodytes hiemalis
    # Count: 1
    Date:
    Observer: Cristina Pereira
    Location: Carderock Recreation Area
  101. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  102. Merlin Falco columbarius
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  103. Tennessee Warbler Leiothlypis peregrina
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  104. Ruby-throated Hummingbird Archilochus colubris
    # Count: 2
    Date:
    Observer: Andy Hasselwander
    Location: Carderock Recreation Area
  105. Barred Owl Strix varia
    # Count: 1
    Date:
    Observer: Andy Hasselwander
    Location: Carderock Recreation Area
  106. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  107. Rock Pigeon Columba livia
    # Count: 2
    Date:
    Observer: Timothy Bates
    Location: Carderock Recreation Area
  108. Solitary Sandpiper Tringa solitaria
    # Count: 1
    Date:
    Observer: Andrew Charles
    Location: Carderock Recreation Area
  109. Yellow Warbler Setophaga petechia
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: Carderock Recreation Area
  110. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Andy Hasselwander
    Location: Carderock Recreation Area
  111. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: 1
    Date:
    Observer: Pam Oves
    Location: Carderock Recreation Area
  112. Northern Waterthrush Parkesia noveboracensis
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  113. Blackpoll Warbler Setophaga striata
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  114. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  115. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Gene Murray
    Location: Carderock Recreation Area
  116. Purple Finch Haemorhous purpureus
    # Count: 2
    Date:
    Observer: Chelsea Kaye Anderson
    Location: Carderock Recreation Area
  117. Rusty Blackbird Euphagus carolinus
    # Count: 29
    Date:
    Observer: Chelsea Kaye Anderson
    Location: Carderock Recreation Area
  118. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Jackie Raiford
    Location: Carderock Recreation Area
  119. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 12
    Date:
    Observer: Josephine Cox
    Location: Carderock Recreation Area
  120. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Bitsu Haddish
    Location: Carderock Recreation Area
  121. Gadwall Mareca strepera
    # Count: 2
    Date:
    Observer: Matt Cohen
    Location: Carderock Recreation Area
  122. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Chris Wright
    Location: Carderock Recreation Area
  123. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Christine Ley
    Location: Carderock Recreation Area
  124. Northern Pintail Anas acuta
    # Count: 1
    Date:
    Observer: Max Wilson
    Location: Carderock Recreation Area
  125. Black-throated Blue Warbler Setophaga caerulescens
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  126. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  127. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Ethan Porter
    Location: Carderock Recreation Area
  128. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: David Lauter
    Location: Carderock Recreation Area
  129. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: David Roberts
    Location: Carderock Recreation Area
  130. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  131. Yellow-breasted Chat Icteria virens
    # Count: 1
    Date:
    Observer: Emily Huang
    Location: Carderock Recreation Area
  132. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Emily Huang
    Location: Carderock Recreation Area
  133. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Emily Huang
    Location: Carderock Recreation Area
  134. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Scott Keyes
    Location: Carderock Recreation Area
  135. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Gene Murray
    Location: Carderock Recreation Area
  136. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: justin golden
    Location: Carderock Recreation Area
  137. Common Goldeneye Bucephala clangula
    # Count: 1
    Date:
    Observer: Todd Hitchcock
    Location: Carderock Recreation Area
  138. Fox Sparrow Passerella iliaca
    # Count: 1
    Date:
    Observer: Tom Eck
    Location: Carderock Recreation Area
  139. Mottled Duck Anas fulvigula
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: Carderock Recreation Area
  140. Ruddy Duck Oxyura jamaicensis
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: Carderock Recreation Area
  141. Tundra Swan Cygnus columbianus
    # Count: 10
    Date:
    Observer: Leslie Calhoun
    Location: Carderock Recreation Area
  142. Northern Shoveler Spatula clypeata
    # Count: 2
    Date:
    Observer: Carla Roverse
    Location: Carderock Recreation Area
  143. Green-winged Teal Anas crecca
    # Count: 1
    Date:
    Observer: Tim Carney
    Location: Carderock Recreation Area
  144. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Anonymous eBirder
    Location: Carderock Recreation Area
  145. Herring Gull Larus argentatus
    # Count: 4
    Date:
    Observer: Daniel S.
    Location: Carderock Recreation Area
  146. American Wigeon Mareca americana
    # Count: 1
    Date:
    Observer: Jill Barker
    Location: Carderock Recreation Area
  147. American Pipit Anthus rubescens
    # Count: 1
    Date:
    Observer: Kyle Rambo
    Location: Carderock Recreation Area
  148. Pine Siskin Spinus pinus
    # Count: 1
    Date:
    Observer: Scott Clark
    Location: Carderock Recreation Area
  149. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Warren Wagner
    Location: Carderock Recreation Area
  150. Connecticut Warbler Oporornis agilis
    # Count: 1
    Date:
    Observer: Matt Cohen
    Location: Carderock Recreation Area
  151. Red-breasted Merganser Mergus serrator
    # Count: 1
    Date:
    Observer: CJ DeMarco
    Location: Carderock Recreation Area
  152. Bank Swallow Riparia riparia
    # Count: 5
    Date:
    Observer: CJ DeMarco
    Location: Carderock Recreation Area
  153. Canvasback Aythya valisineria
    # Count: 2
    Date:
    Observer: Claire Aubel
    Location: Carderock Recreation Area
  154. Cackling Goose Branta hutchinsii
    # Count: 1
    Date:
    Observer: Dan Rauch
    Location: Carderock Recreation Area
  155. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: David Moulton
    Location: Carderock Recreation Area
  156. Hooded Warbler Setophaga citrina
    # Count: X
    Date:
    Observer: CJ DeMarco
    Location: Carderock Recreation Area
  157. Worm-eating Warbler Helmitheros vermivorum
    # Count: 1
    Date:
    Observer: Tully Hochhausler
    Location: Carderock Recreation Area
  158. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Anne Mytych
    Location: Carderock Recreation Area
  159. Horned Lark Eremophila alpestris
    # Count: 4
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  160. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  161. Wild Turkey Meleagris gallopavo
    # Count: 5
    Date:
    Observer: Matt Cohen
    Location: Carderock Recreation Area
  162. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: David Ledwith
    Location: Carderock Recreation Area
  163. Lesser Yellowlegs Tringa flavipes
    # Count: 1
    Date:
    Observer: Marti Eisentraut
    Location: Carderock Recreation Area
  164. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  165. Blue Grosbeak Passerina caerulea
    # Count: X
    Date:
    Observer: John Cebula
    Location: Carderock Recreation Area
  166. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Nicole Motzer
    Location: Carderock Recreation Area
  167. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  168. Wilson's Warbler Cardellina pusilla
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  169. Blue-winged Warbler Vermivora cyanoptera
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  170. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  171. Lesser Black-backed Gull Larus fuscus
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: Carderock Recreation Area
  172. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  173. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  174. Bay-breasted Warbler Setophaga castanea
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  175. Golden-winged Warbler Vermivora chrysoptera
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  176. Least Flycatcher Empidonax minimus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  177. Prairie Warbler Setophaga discolor
    # Count: 2
    Date:
    Observer: Wayne Klockner
    Location: Carderock Recreation Area
  178. Blue-winged Teal Spatula discors
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  179. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  180. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  181. Summer Tanager Piranga rubra
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  182. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area
  183. Northern Bobwhite Colinus virginianus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area

Hybrids (1)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: Carderock Recreation Area

Additional Taxa (21)

  1. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 2
    Date:
    Observer: Cheryl Hogue
    Location: Carderock Recreation Area
  2. new world sparrow sp. Passerellidae sp.
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  3. passerine sp. Passeriformes sp.
    # Count: 4
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area
  4. duck sp. Anatidae (duck sp.)
    # Count: 2
    Date:
    Observer: Cristina Pereira
    Location: Carderock Recreation Area
  5. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Toby Amodeo
    Location: Carderock Recreation Area
  6. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: Carderock Recreation Area
  7. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  8. Catharus sp. Catharus sp.
    # Count: 2
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  9. crow sp. Corvus sp. (crow sp.)
    # Count: 10
    Date:
    Observer: Gabe LaCount
    Location: Carderock Recreation Area
  10. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Andy Hasselwander
    Location: Carderock Recreation Area
  11. new world flycatcher sp. Tyrannidae sp.
    # Count: 2
    Date:
    Observer: Kate Desvenain
    Location: Carderock Recreation Area
  12. swallow sp. Hirundinidae sp.
    # Count: 1
    Date:
    Observer: Kate Desvenain
    Location: Carderock Recreation Area
  13. shorebird sp. Charadriiformes sp.
    # Count: 2
    Date:
    Observer: Emily Huang
    Location: Carderock Recreation Area
  14. tern sp. Sterninae sp.
    # Count: 12
    Date:
    Observer: Jonathan Cook
    Location: Carderock Recreation Area
  15. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 1
    Date:
    Observer: Ethan Porter
    Location: Carderock Recreation Area
  16. gull sp. Larinae sp.
    # Count: 3
    Date:
    Observer: Carla Roverse
    Location: Carderock Recreation Area
  17. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: Carla Roverse
    Location: Carderock Recreation Area
  18. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Stan Smith
    Location: Carderock Recreation Area
  19. finch sp. Fringillidae sp.
    # Count: 2
    Date:
    Observer: Anna Wilson
    Location: Carderock Recreation Area
  20. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Insa Kummer
    Location: Carderock Recreation Area
  21. Empidonax sp. Empidonax sp.
    # Count: X
    Date:
    Observer: James Nelson
    Location: Carderock Recreation Area