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C&O Canal--Pennyfield Lock

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Bird List

Updated ~10 seconds ago
232 All Years 149 This Year 2024 70 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (232)

  1. Canada Goose Branta canadensis
    # Count: 12
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  2. Mute Swan Cygnus olor
    # Count: 1
    Date:
    Observer: Linda Friedland
    Location: C&O Canal--Pennyfield Lock
  3. Trumpeter Swan Cygnus buccinator
    # Count: 4
    Date:
    Observer: Robert Ostrowski
    Location: C&O Canal--Pennyfield Lock
  4. Tundra Swan Cygnus columbianus
    # Count: 17
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  5. Wood Duck Aix sponsa
    # Count: 2
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  6. Blue-winged Teal Spatula discors
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  7. Northern Shoveler Spatula clypeata
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  8. Gadwall Mareca strepera
    # Count: X
    Date:
    Observer: Steve Droste
    Location: C&O Canal--Pennyfield Lock
  9. American Wigeon Mareca americana
    # Count: 3
    Date:
    Observer: Vic Laubach
    Location: C&O Canal--Pennyfield Lock
  10. Mallard Anas platyrhynchos
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  11. American Black Duck Anas rubripes
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  12. Northern Pintail Anas acuta
    # Count: 2
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Pennyfield Lock
  13. Green-winged Teal Anas crecca
    # Count: 5
    Date:
    Observer: Dr. James Gibson
    Location: C&O Canal--Pennyfield Lock
  14. Canvasback Aythya valisineria
    # Count: 21
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Pennyfield Lock
  15. Redhead Aythya americana
    # Count: 15
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  16. Ring-necked Duck Aythya collaris
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  17. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Pennyfield Lock
  18. Lesser Scaup Aythya affinis
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  19. Surf Scoter Melanitta perspicillata
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Pennyfield Lock
  20. White-winged Scoter Melanitta deglandi
    # Count: 4
    Date:
    Observer: Tom Kimbis
    Location: C&O Canal--Pennyfield Lock
  21. Long-tailed Duck Clangula hyemalis
    # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: C&O Canal--Pennyfield Lock
  22. Bufflehead Bucephala albeola
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  23. Common Goldeneye Bucephala clangula
    # Count: X
    Date:
    Observer: David Mehlman
    Location: C&O Canal--Pennyfield Lock
  24. Hooded Merganser Lophodytes cucullatus
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  25. Common Merganser Mergus merganser
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  26. Red-breasted Merganser Mergus serrator
    # Count: 3
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  27. Ruddy Duck Oxyura jamaicensis
    # Count: 1
    Date:
    Observer: John Bjerke
    Location: C&O Canal--Pennyfield Lock
  28. Northern Bobwhite Colinus virginianus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  29. Wild Turkey Meleagris gallopavo
    # Count: 1
    Date:
    Observer: Vic Laubach
    Location: C&O Canal--Pennyfield Lock
  30. Pied-billed Grebe Podilymbus podiceps
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  31. Horned Grebe Podiceps auritus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  32. Red-necked Grebe Podiceps grisegena
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  33. Rock Pigeon Columba livia
    # Count: X
    Date:
    Observer: David Mehlman
    Location: C&O Canal--Pennyfield Lock
  34. Mourning Dove Zenaida macroura
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  35. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  36. Black-billed Cuckoo Coccyzus erythropthalmus
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  37. Common Nighthawk Chordeiles minor
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  38. Eastern Whip-poor-will Antrostomus vociferus
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  39. Chimney Swift Chaetura pelagica
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  40. Ruby-throated Hummingbird Archilochus colubris
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: C&O Canal--Pennyfield Lock
  41. King Rail Rallus elegans
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  42. Virginia Rail Rallus limicola
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  43. Sora Porzana carolina
    # Count: X
    Date:
    Observer: John Houle
    Location: C&O Canal--Pennyfield Lock
  44. Common Gallinule Gallinula galeata
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  45. American Coot Fulica americana
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  46. Limpkin Aramus guarauna
    # Count: 1
    Date:
    Observer: Ryan Webb
    Location: C&O Canal--Pennyfield Lock
  47. American Golden-Plover Pluvialis dominica
    # Count: 2
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Pennyfield Lock
  48. Killdeer Charadrius vociferus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  49. Short-billed Dowitcher Limnodromus griseus
    # Count: 1
    Date:
    Observer: Ed Vigezzi
    Location: C&O Canal--Pennyfield Lock
  50. American Woodcock Scolopax minor
    # Count: 2
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  51. Wilson's Snipe Gallinago delicata
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  52. Spotted Sandpiper Actitis macularius
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  53. Solitary Sandpiper Tringa solitaria
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  54. Lesser Yellowlegs Tringa flavipes
    # Count: X
    Date:
    Observer: Eric R
    Location: C&O Canal--Pennyfield Lock
  55. Greater Yellowlegs Tringa melanoleuca
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  56. Sanderling Calidris alba
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  57. Least Sandpiper Calidris minutilla
    # Count: X
    Date:
    Observer: Stan Plante
    Location: C&O Canal--Pennyfield Lock
  58. Pectoral Sandpiper Calidris melanotos
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  59. Semipalmated Sandpiper Calidris pusilla
    # Count: 4
    Date:
    Observer: Chris Wright
    Location: C&O Canal--Pennyfield Lock
  60. Little Gull Hydrocoloeus minutus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  61. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: X
    Date:
    Observer: Stan Plante
    Location: C&O Canal--Pennyfield Lock
  62. Ring-billed Gull Larus delawarensis
    # Count: X
    Date:
    Observer: David Mehlman
    Location: C&O Canal--Pennyfield Lock
  63. Herring Gull Larus argentatus
    # Count: 1
    Date:
    Observer: J.B. Churchill
    Location: C&O Canal--Pennyfield Lock
  64. Great Black-backed Gull Larus marinus
    # Count: 1
    Date:
    Observer: Steve Droste
    Location: C&O Canal--Pennyfield Lock
  65. Caspian Tern Hydroprogne caspia
    # Count: 2
    Date:
    Observer: Notrab Elliott
    Location: C&O Canal--Pennyfield Lock
  66. Forster's Tern Sterna forsteri
    # Count: 2
    Date:
    Observer: Linda Friedland
    Location: C&O Canal--Pennyfield Lock
  67. Common Tern Sterna hirundo
    # Count: 1
    Date:
    Observer: John Missing
    Location: C&O Canal--Pennyfield Lock
  68. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  69. Wood Stork Mycteria americana
    # Count: 1
    Date:
    Observer: David Barr
    Location: C&O Canal--Pennyfield Lock
  70. Double-crested Cormorant Nannopterum auritum
    # Count: X
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  71. Neotropic Cormorant Nannopterum brasilianum
    # Count: 1
    Date:
    Observer: Elaine Hendricks
    Location: C&O Canal--Pennyfield Lock
  72. American Bittern Botaurus lentiginosus
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  73. Yellow-crowned Night Heron Nyctanassa violacea
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  74. Black-crowned Night Heron Nycticorax nycticorax
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  75. Little Blue Heron Egretta caerulea
    # Count: 1
    Date:
    Observer: Chris Wright
    Location: C&O Canal--Pennyfield Lock
  76. Tricolored Heron Egretta tricolor
    # Count: 1
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Pennyfield Lock
  77. Snowy Egret Egretta thula
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  78. Green Heron Butorides virescens
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  79. Great Egret Ardea alba
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  80. Great Blue Heron Ardea herodias
    # Count: X
    Date:
    Observer: Val Kitchens
    Location: C&O Canal--Pennyfield Lock
  81. White Ibis Eudocimus albus
    # Count: 2
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Pennyfield Lock
  82. Glossy Ibis Plegadis falcinellus
    # Count: 2
    Date:
    Observer: William Adams
    Location: C&O Canal--Pennyfield Lock
  83. Roseate Spoonbill Platalea ajaja
    # Count: 1
    Date:
    Observer: Jared Fisher
    Location: C&O Canal--Pennyfield Lock
  84. Black Vulture Coragyps atratus
    # Count: X
    Date:
    Observer: Peter Bono
    Location: C&O Canal--Pennyfield Lock
  85. Turkey Vulture Cathartes aura
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  86. Osprey Pandion haliaetus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  87. Golden Eagle Aquila chrysaetos
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  88. Mississippi Kite Ictinia mississippiensis
    # Count: 1
    Date:
    Observer: Ian Resnick
    Location: C&O Canal--Pennyfield Lock
  89. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Cheryl Hogue
    Location: C&O Canal--Pennyfield Lock
  90. Sharp-shinned Hawk Accipiter striatus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  91. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Debbie Hatfield
    Location: C&O Canal--Pennyfield Lock
  92. Bald Eagle Haliaeetus leucocephalus
    # Count: X
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  93. Red-shouldered Hawk Buteo lineatus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  94. Broad-winged Hawk Buteo platypterus
    # Count: 3
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  95. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  96. Eastern Screech-Owl Megascops asio
    # Count: 1
    Date:
    Observer: Notrab Elliott
    Location: C&O Canal--Pennyfield Lock
  97. Great Horned Owl Bubo virginianus
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  98. Barred Owl Strix varia
    # Count: 2
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  99. Short-eared Owl Asio flammeus
    # Count: 1
    Date:
    Observer: Igor Taimassov
    Location: C&O Canal--Pennyfield Lock
  100. Belted Kingfisher Megaceryle alcyon
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  101. Yellow-bellied Sapsucker Sphyrapicus varius
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  102. Red-headed Woodpecker Melanerpes erythrocephalus
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  103. Red-bellied Woodpecker Melanerpes carolinus
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  104. Downy Woodpecker Dryobates pubescens
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  105. Hairy Woodpecker Dryobates villosus
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  106. Pileated Woodpecker Dryocopus pileatus
    # Count: 5
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  107. Northern Flicker Colaptes auratus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  108. American Kestrel Falco sparverius
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  109. Merlin Falco columbarius
    # Count: X
    Date:
    Observer: Roger Stone
    Location: C&O Canal--Pennyfield Lock
  110. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  111. Olive-sided Flycatcher Contopus cooperi
    # Count: 1
    Date:
    Observer: Jim Wilkinson
    Location: C&O Canal--Pennyfield Lock
  112. Eastern Wood-Pewee Contopus virens
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  113. Yellow-bellied Flycatcher Empidonax flaviventris
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  114. Acadian Flycatcher Empidonax virescens
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  115. Willow Flycatcher Empidonax traillii
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  116. Least Flycatcher Empidonax minimus
    # Count: 4
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  117. Eastern Phoebe Sayornis phoebe
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  118. Great Crested Flycatcher Myiarchus crinitus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  119. Eastern Kingbird Tyrannus tyrannus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  120. Scissor-tailed Flycatcher Tyrannus forficatus
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  121. White-eyed Vireo Vireo griseus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  122. Yellow-throated Vireo Vireo flavifrons
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  123. Blue-headed Vireo Vireo solitarius
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  124. Philadelphia Vireo Vireo philadelphicus
    # Count: 1
    Date:
    Observer: Mary Ann Todd
    Location: C&O Canal--Pennyfield Lock
  125. Warbling Vireo Vireo gilvus
    # Count: 4
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  126. Red-eyed Vireo Vireo olivaceus
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  127. Blue Jay Cyanocitta cristata
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  128. American Crow Corvus brachyrhynchos
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  129. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  130. Common Raven Corvus corax
    # Count: 1
    Date:
    Observer: Art Drauglis
    Location: C&O Canal--Pennyfield Lock
  131. Carolina Chickadee Poecile carolinensis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  132. Tufted Titmouse Baeolophus bicolor
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  133. Horned Lark Eremophila alpestris
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  134. Bank Swallow Riparia riparia
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  135. Tree Swallow Tachycineta bicolor
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  136. Purple Martin Progne subis
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  137. Northern Rough-winged Swallow Stelgidopteryx serripennis
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  138. Barn Swallow Hirundo rustica
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  139. Cliff Swallow Petrochelidon pyrrhonota
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  140. Ruby-crowned Kinglet Corthylio calendula
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  141. Golden-crowned Kinglet Regulus satrapa
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  142. White-breasted Nuthatch Sitta carolinensis
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  143. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Howard Youth
    Location: C&O Canal--Pennyfield Lock
  144. Brown Creeper Certhia americana
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  145. Blue-gray Gnatcatcher Polioptila caerulea
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  146. House Wren Troglodytes aedon
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  147. Winter Wren Troglodytes hiemalis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  148. Sedge Wren Cistothorus stellaris
    # Count: 1
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Pennyfield Lock
  149. Marsh Wren Cistothorus palustris
    # Count: X
    Date:
    Observer: Debbie Hatfield
    Location: C&O Canal--Pennyfield Lock
  150. Carolina Wren Thryothorus ludovicianus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  151. European Starling Sturnus vulgaris
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  152. Gray Catbird Dumetella carolinensis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  153. Brown Thrasher Toxostoma rufum
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  154. Northern Mockingbird Mimus polyglottos
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  155. Eastern Bluebird Sialia sialis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  156. Veery Catharus fuscescens
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  157. Gray-cheeked Thrush Catharus minimus
    # Count: 1
    Date:
    Observer: Daniel Lebbin
    Location: C&O Canal--Pennyfield Lock
  158. Swainson's Thrush Catharus ustulatus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  159. Hermit Thrush Catharus guttatus
    # Count: X
    Date:
    Observer: Steve Droste
    Location: C&O Canal--Pennyfield Lock
  160. Wood Thrush Hylocichla mustelina
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  161. American Robin Turdus migratorius
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  162. Cedar Waxwing Bombycilla cedrorum
    # Count: X
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  163. House Sparrow Passer domesticus
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  164. American Pipit Anthus rubescens
    # Count: 10
    Date:
    Observer: Dave Powell
    Location: C&O Canal--Pennyfield Lock
  165. Evening Grosbeak Coccothraustes vespertinus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  166. House Finch Haemorhous mexicanus
    # Count: X
    Date:
    Observer: Graham Chisholm
    Location: C&O Canal--Pennyfield Lock
  167. Purple Finch Haemorhous purpureus
    # Count: 3
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  168. Pine Siskin Spinus pinus
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  169. American Goldfinch Spinus tristis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  170. Grasshopper Sparrow Ammodramus savannarum
    # Count: 1
    Date:
    Observer: Jeff Smith
    Location: C&O Canal--Pennyfield Lock
  171. Chipping Sparrow Spizella passerina
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  172. Field Sparrow Spizella pusilla
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  173. American Tree Sparrow Spizelloides arborea
    # Count: 2
    Date:
    Observer: Christopher Eliot
    Location: C&O Canal--Pennyfield Lock
  174. Fox Sparrow Passerella iliaca
    # Count: X
    Date:
    Observer: Bernard Morris
    Location: C&O Canal--Pennyfield Lock
  175. Dark-eyed Junco Junco hyemalis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  176. White-crowned Sparrow Zonotrichia leucophrys
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: C&O Canal--Pennyfield Lock
  177. White-throated Sparrow Zonotrichia albicollis
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  178. Vesper Sparrow Pooecetes gramineus
    # Count: 1
    Date:
    Observer: Suzanne Scherping
    Location: C&O Canal--Pennyfield Lock
  179. Savannah Sparrow Passerculus sandwichensis
    # Count: 1
    Date:
    Observer: sharon buchanan
    Location: C&O Canal--Pennyfield Lock
  180. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  181. Lincoln's Sparrow Melospiza lincolnii
    # Count: 1
    Date:
    Observer: Dave Czaplak
    Location: C&O Canal--Pennyfield Lock
  182. Swamp Sparrow Melospiza georgiana
    # Count: 3
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  183. Eastern Towhee Pipilo erythrophthalmus
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  184. Yellow-breasted Chat Icteria virens
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  185. Bobolink Dolichonyx oryzivorus
    # Count: 1
    Date:
    Observer: Lydia Schindler
    Location: C&O Canal--Pennyfield Lock
  186. Eastern Meadowlark Sturnella magna
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  187. Orchard Oriole Icterus spurius
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  188. Baltimore Oriole Icterus galbula
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  189. Red-winged Blackbird Agelaius phoeniceus
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  190. Brown-headed Cowbird Molothrus ater
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  191. Rusty Blackbird Euphagus carolinus
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  192. Common Grackle Quiscalus quiscula
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  193. Ovenbird Seiurus aurocapilla
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  194. Worm-eating Warbler Helmitheros vermivorum
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  195. Louisiana Waterthrush Parkesia motacilla
    # Count: 4
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  196. Northern Waterthrush Parkesia noveboracensis
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  197. Golden-winged Warbler Vermivora chrysoptera
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  198. Blue-winged Warbler Vermivora cyanoptera
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  199. Black-and-white Warbler Mniotilta varia
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  200. Prothonotary Warbler Protonotaria citrea
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  201. Tennessee Warbler Leiothlypis peregrina
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  202. Orange-crowned Warbler Leiothlypis celata
    # Count: 1
    Date:
    Observer: Jim Hargrove
    Location: C&O Canal--Pennyfield Lock
  203. Nashville Warbler Leiothlypis ruficapilla
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  204. Mourning Warbler Geothlypis philadelphia
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  205. Kentucky Warbler Geothlypis formosa
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  206. Common Yellowthroat Geothlypis trichas
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  207. Hooded Warbler Setophaga citrina
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  208. American Redstart Setophaga ruticilla
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  209. Cape May Warbler Setophaga tigrina
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  210. Cerulean Warbler Setophaga cerulea
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  211. Northern Parula Setophaga americana
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  212. Magnolia Warbler Setophaga magnolia
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  213. Bay-breasted Warbler Setophaga castanea
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  214. Blackburnian Warbler Setophaga fusca
    # Count: 1
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  215. Yellow Warbler Setophaga petechia
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  216. Chestnut-sided Warbler Setophaga pensylvanica
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  217. Blackpoll Warbler Setophaga striata
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  218. Black-throated Blue Warbler Setophaga caerulescens
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  219. Palm Warbler Setophaga palmarum
    # Count: X
    Date:
    Observer: Bruce Steger
    Location: C&O Canal--Pennyfield Lock
  220. Pine Warbler Setophaga pinus
    # Count: X
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  221. Yellow-rumped Warbler Setophaga coronata
    # Count: X
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  222. Yellow-throated Warbler Setophaga dominica
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  223. Prairie Warbler Setophaga discolor
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  224. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  225. Canada Warbler Cardellina canadensis
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  226. Wilson's Warbler Cardellina pusilla
    # Count: X
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock
  227. Summer Tanager Piranga rubra
    # Count: 2
    Date:
    Observer: Jim Wilkinson
    Location: C&O Canal--Pennyfield Lock
  228. Scarlet Tanager Piranga olivacea
    # Count: 4
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock
  229. Northern Cardinal Cardinalis cardinalis
    # Count: 2
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  230. Rose-breasted Grosbeak Pheucticus ludovicianus
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  231. Blue Grosbeak Passerina caerulea
    # Count: 1
    Date:
    Observer: Joe Hanfman
    Location: C&O Canal--Pennyfield Lock
  232. Indigo Bunting Passerina cyanea
    # Count: X
    Date:
    Observer: Byron Swift
    Location: C&O Canal--Pennyfield Lock

Exotic: Escapee (1)

  1. White-cheeked Pintail Anas bahamensis
    # Count: 1
    Date:
    Observer: Christine Ley
    Location: C&O Canal--Pennyfield Lock

Hybrids (2)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  2. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Date:
    Observer: Michael O'Brien
    Location: C&O Canal--Pennyfield Lock

Additional Taxa (47)

  1. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 10
    Date:
    Observer: Moira Davenport
    Location: C&O Canal--Pennyfield Lock
  2. swan sp. Cygnus sp.
    # Count: 1
    Date:
    Observer: Thomas Doebel
    Location: C&O Canal--Pennyfield Lock
  3. goose sp. Anatidae (goose sp.)
    # Count: 4
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  4. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 1
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  5. dabbling duck sp. Anatidae sp. (dabbling duck sp.)
    # Count: 2
    Date:
    Observer: Jeffrey Fuller
    Location: C&O Canal--Pennyfield Lock
  6. Greater/Lesser Scaup Aythya marila/affinis
    # Count: X
    Date:
    Observer: Tom Nardone
    Location: C&O Canal--Pennyfield Lock
  7. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 2
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  8. merganser sp. Mergellus/Lophodytes/Mergus sp.
    # Count: 1
    Date:
    Observer: Lawrence Rubey
    Location: C&O Canal--Pennyfield Lock
  9. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  10. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  11. hummingbird sp. Trochilidae sp.
    # Count: 2
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  12. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Chris Wright
    Location: C&O Canal--Pennyfield Lock
  13. peep sp. Calidris sp. (peep sp.)
    # Count: 4
    Date:
    Observer: Howard Youth
    Location: C&O Canal--Pennyfield Lock
  14. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Bob Cantilli
    Location: C&O Canal--Pennyfield Lock
  15. gull sp. Larinae sp.
    # Count: 5
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  16. tern sp. Sterninae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  17. white egret sp. Egretta/Bubulcus/Ardea sp.
    # Count: 1
    Date:
    Observer: Fred Hoffman
    Location: C&O Canal--Pennyfield Lock
  18. new world vulture sp. Cathartidae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  19. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Michael Bowen
    Location: C&O Canal--Pennyfield Lock
  20. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Christopher Eliot
    Location: C&O Canal--Pennyfield Lock
  21. Buteo sp. Buteo sp.
    # Count: 1
    Date:
    Observer: Mike Ostrowski
    Location: C&O Canal--Pennyfield Lock
  22. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  23. owl sp. Strigiformes sp.
    # Count: 2
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  24. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Date:
    Observer: Steve Droste
    Location: C&O Canal--Pennyfield Lock
  25. woodpecker sp. Picidae sp.
    # Count: 3
    Date:
    Observer: Judith Bromley
    Location: C&O Canal--Pennyfield Lock
  26. falcon sp. Falco sp.
    # Count: 1
    Date:
    Observer: Linda Friedland
    Location: C&O Canal--Pennyfield Lock
  27. diurnal raptor sp. Accipitriformes/Falconiformes sp.
    # Count: 1
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  28. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 1
    Date:
    Observer: Olivier Langrand
    Location: C&O Canal--Pennyfield Lock
  29. Empidonax sp. Empidonax sp.
    # Count: X
    Date:
    Observer: John Houle
    Location: C&O Canal--Pennyfield Lock
  30. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  31. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 2
    Date:
    Observer: David Lauter
    Location: C&O Canal--Pennyfield Lock
  32. vireo sp. Vireo sp.
    # Count: 1
    Date:
    Observer: Peggy Bohanan (Graff)
    Location: C&O Canal--Pennyfield Lock
  33. American/Fish Crow Corvus brachyrhynchos/ossifragus
    # Count: 12
    Date:
    Observer: Francesca Grifo
    Location: C&O Canal--Pennyfield Lock
  34. crow sp. Corvus sp. (crow sp.)
    # Count: 3
    Date:
    Observer: Dr. James Gibson
    Location: C&O Canal--Pennyfield Lock
  35. Carolina/Black-capped Chickadee Poecile carolinensis/atricapillus
    # Count: 2
    Date:
    Observer: Benjamin Proshek
    Location: C&O Canal--Pennyfield Lock
  36. swallow sp. Hirundinidae sp.
    # Count: X
    Date:
    Observer: Graham Chisholm
    Location: C&O Canal--Pennyfield Lock
  37. Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapa
    # Count: 5
    Date:
    Observer: Anna Wilson
    Location: C&O Canal--Pennyfield Lock
  38. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: Lydia Schindler
    Location: C&O Canal--Pennyfield Lock
  39. Catharus sp. Catharus sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  40. new world sparrow sp. Passerellidae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  41. new world oriole sp. Icterus sp.
    # Count: 1
    Date:
    Observer: Scott Baron
    Location: C&O Canal--Pennyfield Lock
  42. blackbird sp. Icteridae sp.
    # Count: 4
    Date:
    Observer: Daniel Romney
    Location: C&O Canal--Pennyfield Lock
  43. Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensis
    # Count: 1
    Date:
    Observer: Eric R
    Location: C&O Canal--Pennyfield Lock
  44. Bay-breasted/Blackpoll Warbler Setophaga castanea/striata
    # Count: 1
    Date:
    Observer: David Lauter
    Location: C&O Canal--Pennyfield Lock
  45. Setophaga sp. Setophaga sp.
    # Count: 1
    Date:
    Observer: Linda Friedland
    Location: C&O Canal--Pennyfield Lock
  46. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: James Nelson
    Location: C&O Canal--Pennyfield Lock
  47. passerine sp. Passeriformes sp.
    # Count: 1
    Date:
    Observer: Katherine Thorington
    Location: C&O Canal--Pennyfield Lock