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Casco Bay (offshore only)

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Bird List

Updated ~11 seconds ago
103 All Years 11 This Year 2024 4 This Month Jun 2024
Last Observed First Observed High Count

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  1. Species Name
    Count
    Date
    Observer
    Location

Native and Naturalized (103)

  1. Common Loon Gavia immer
    # Count: 1
    Date:
    Observer: James Pease
    Location: Casco Bay (offshore only)
  2. Double-crested Cormorant Nannopterum auritum
    # Count: 15
    Date:
    Observer: James Pease
    Location: Casco Bay (offshore only)
  3. Osprey Pandion haliaetus
    # Count: 3
    Date:
    Observer: James Pease
    Location: Casco Bay (offshore only)
  4. Bonaparte's Gull Chroicocephalus philadelphia
    # Count: 5
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  5. Common Eider Somateria mollissima
    # Count: 35
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  6. Herring Gull Larus argentatus
    # Count: X
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  7. Great Black-backed Gull Larus marinus
    # Count: X
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  8. Northern Gannet Morus bassanus
    # Count: 4
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  9. Red-necked Phalarope Phalaropus lobatus
    # Count: 4
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  10. Long-tailed Duck Clangula hyemalis
    # Count: 4
    Date:
    Observer: Clark Johnson
    Location: Casco Bay (offshore only)
  11. White-winged Scoter Melanitta deglandi
    # Count: 12
    Date:
    Observer: Clark Johnson
    Location: Casco Bay (offshore only)
  12. Black Guillemot Cepphus grylle
    # Count: 4
    Date:
    Observer: James Planinsek
    Location: Casco Bay (offshore only)
  13. Ring-billed Gull Larus delawarensis
    # Count: 3
    Date:
    Observer: James Planinsek
    Location: Casco Bay (offshore only)
  14. Red-throated Loon Gavia stellata
    # Count: 2
    Date:
    Observer: James Planinsek
    Location: Casco Bay (offshore only)
  15. Black Scoter Melanitta americana
    # Count: 7
    Date:
    Observer: Odysseas Froilán Papageorgiou
    Location: Casco Bay (offshore only)
  16. Semipalmated Plover Charadrius semipalmatus
    # Count: 43
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  17. Lesser Yellowlegs Tringa flavipes
    # Count: 70
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  18. Willet Tringa semipalmata
    # Count: 2
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  19. Sanderling Calidris alba
    # Count: 50
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  20. Semipalmated Sandpiper Calidris pusilla
    # Count: 375
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  21. Laughing Gull Leucophaeus atricilla
    # Count: 4
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  22. Common Tern Sterna hirundo
    # Count: 8
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  23. Snowy Egret Egretta thula
    # Count: 4
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  24. Great Blue Heron Ardea herodias
    # Count: 1
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  25. Bald Eagle Haliaeetus leucocephalus
    # Count: 2
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  26. Canada Goose Branta canadensis
    # Count: 15
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  27. Mallard Anas platyrhynchos
    # Count: 7
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  28. Piping Plover Charadrius melodus
    # Count: 4
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  29. American Crow Corvus brachyrhynchos
    # Count: 2
    Date:
    Observer: Rachel Parent
    Location: Casco Bay (offshore only)
  30. Greater Scaup Aythya marila
    # Count: 1
    Date:
    Observer: June Smith
    Location: Casco Bay (offshore only)
  31. Surf Scoter Melanitta perspicillata
    # Count: 21
    Date:
    Observer: June Smith
    Location: Casco Bay (offshore only)
  32. House Sparrow Passer domesticus
    # Count: 2
    Date:
    Observer: June Smith
    Location: Casco Bay (offshore only)
  33. Rock Pigeon Columba livia
    # Count: X
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  34. Mourning Dove Zenaida macroura
    # Count: X
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  35. Arctic Tern Sterna paradisaea
    # Count: 2
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  36. Wilson's Storm-Petrel Oceanites oceanicus
    # Count: X
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  37. Great Egret Ardea alba
    # Count: X
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  38. Yellow Warbler Setophaga petechia
    # Count: 3
    Date:
    Observer: Micky Eubanks
    Location: Casco Bay (offshore only)
  39. Peregrine Falcon Falco peregrinus
    # Count: 1
    Date:
    Observer: Gigi A
    Location: Casco Bay (offshore only)
  40. American Oystercatcher Haematopus palliatus
    # Count: 2
    Date:
    Observer: David Allen
    Location: Casco Bay (offshore only)
  41. Least Sandpiper Calidris minutilla
    # Count: 3
    Date:
    Observer: David Allen
    Location: Casco Bay (offshore only)
  42. Turkey Vulture Cathartes aura
    # Count: 1
    Date:
    Observer: Rudy Iles
    Location: Casco Bay (offshore only)
  43. Fish Crow Corvus ossifragus
    # Count: 1
    Date:
    Observer: Rudy Iles
    Location: Casco Bay (offshore only)
  44. Song Sparrow Melospiza melodia
    # Count: 1
    Date:
    Observer: Rudy Iles
    Location: Casco Bay (offshore only)
  45. Atlantic Puffin Fratercula arctica
    # Count: 1
    Date:
    Observer: Drew Collins
    Location: Casco Bay (offshore only)
  46. Short-billed Dowitcher Limnodromus griseus
    # Count: 27
    Date:
    Observer: Drew Collins
    Location: Casco Bay (offshore only)
  47. Great Shearwater Ardenna gravis
    # Count: 3
    Date:
    Observer: Drew Collins
    Location: Casco Bay (offshore only)
  48. Red-breasted Nuthatch Sitta canadensis
    # Count: 1
    Date:
    Observer: Drew Collins
    Location: Casco Bay (offshore only)
  49. Purple Finch Haemorhous purpureus
    # Count: 1
    Date:
    Observer: Cassadi Chase
    Location: Casco Bay (offshore only)
  50. Downy Woodpecker Dryobates pubescens
    # Count: 1
    Date:
    Observer: Cassadi Chase
    Location: Casco Bay (offshore only)
  51. American Black Duck Anas rubripes
    # Count: 15
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  52. Bufflehead Bucephala albeola
    # Count: 52
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  53. Common Merganser Mergus merganser
    # Count: 4
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  54. Red-breasted Merganser Mergus serrator
    # Count: 6
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  55. Great Cormorant Phalacrocorax carbo
    # Count: 1
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  56. Red-tailed Hawk Buteo jamaicensis
    # Count: 1
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  57. European Starling Sturnus vulgaris
    # Count: 2
    Date:
    Observer: Matthew Gilbert
    Location: Casco Bay (offshore only)
  58. Sooty Shearwater Ardenna grisea
    # Count: 5
    Date:
    Observer: Mateo M
    Location: Casco Bay (offshore only)
  59. Tree Swallow Tachycineta bicolor
    # Count: 1
    Date:
    Observer: Joey Negreann
    Location: Casco Bay (offshore only)
  60. Black-capped Chickadee Poecile atricapillus
    # Count: 1
    Date:
    Observer: Freya McGregor
    Location: Casco Bay (offshore only)
  61. Least Tern Sternula antillarum
    # Count: 2
    Date:
    Observer: Sebastian Jones
    Location: Casco Bay (offshore only)
  62. Roseate Tern Sterna dougallii
    # Count: 2
    Date:
    Observer: Sebastian Jones
    Location: Casco Bay (offshore only)
  63. Broad-winged Hawk Buteo platypterus
    # Count: 1
    Date:
    Observer: Sebastian Jones
    Location: Casco Bay (offshore only)
  64. Barn Swallow Hirundo rustica
    # Count: 10
    Date:
    Observer: Sebastian Jones
    Location: Casco Bay (offshore only)
  65. American Goldfinch Spinus tristis
    # Count: 8
    Date:
    Observer: Sebastian Jones
    Location: Casco Bay (offshore only)
  66. American Redstart Setophaga ruticilla
    # Count: 1
    Date:
    Observer: Laura Zitske
    Location: Casco Bay (offshore only)
  67. Black-throated Green Warbler Setophaga virens
    # Count: 1
    Date:
    Observer: Laura Zitske
    Location: Casco Bay (offshore only)
  68. Red-necked Grebe Podiceps grisegena
    # Count: 3
    Date:
    Observer: Sarah Otterson
    Location: Casco Bay (offshore only)
  69. Blue Jay Cyanocitta cristata
    # Count: 2
    Date:
    Observer: Sarah Otterson
    Location: Casco Bay (offshore only)
  70. Brown-headed Cowbird Molothrus ater
    # Count: 1
    Date:
    Observer: Sarah Otterson
    Location: Casco Bay (offshore only)
  71. Cory's Shearwater Calonectris diomedea
    # Count: 2
    Date:
    Observer: Rob Dickerson
    Location: Casco Bay (offshore only)
  72. Spotted Sandpiper Actitis macularius
    # Count: 2
    Date:
    Observer: Michael LaCombe
    Location: Casco Bay (offshore only)
  73. Common Raven Corvus corax
    # Count: 6
    Date:
    Observer: Michael LaCombe
    Location: Casco Bay (offshore only)
  74. Cedar Waxwing Bombycilla cedrorum
    # Count: 2
    Date:
    Observer: Michael LaCombe
    Location: Casco Bay (offshore only)
  75. Red Phalarope Phalaropus fulicarius
    # Count: 2
    Date:
    Observer: Mike Fahay
    Location: Casco Bay (offshore only)
  76. Manx Shearwater Puffinus puffinus
    # Count: 1
    Date:
    Observer: Mike Fahay
    Location: Casco Bay (offshore only)
  77. Yellow-billed Cuckoo Coccyzus americanus
    # Count: 1
    Date:
    Observer: Melinda Droege
    Location: Casco Bay (offshore only)
  78. Gray Catbird Dumetella carolinensis
    # Count: 4
    Date:
    Observer: Melinda Droege
    Location: Casco Bay (offshore only)
  79. Belted Kingfisher Megaceryle alcyon
    # Count: 2
    Date:
    Observer: Michael Dupree
    Location: Casco Bay (offshore only)
  80. Common Goldeneye Bucephala clangula
    # Count: 8
    Date:
    Observer: Amy Damboise
    Location: Casco Bay (offshore only)
  81. Razorbill Alca torda
    # Count: 30
    Date:
    Observer: Amy Damboise
    Location: Casco Bay (offshore only)
  82. Iceland Gull Larus glaucoides
    # Count: 1
    Date:
    Observer: Amy Damboise
    Location: Casco Bay (offshore only)
  83. Cooper's Hawk Accipiter cooperii
    # Count: 1
    Date:
    Observer: Amy Damboise
    Location: Casco Bay (offshore only)
  84. Pine Siskin Spinus pinus
    # Count: 2
    Date:
    Observer: Ben West
    Location: Casco Bay (offshore only)
  85. Dark-eyed Junco Junco hyemalis
    # Count: 1
    Date:
    Observer: Ben West
    Location: Casco Bay (offshore only)
  86. American Coot Fulica americana
    # Count: 1
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  87. Purple Sandpiper Calidris maritima
    # Count: 1
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  88. Yellow-billed Loon Gavia adamsii
    # Count: 1
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  89. Northern Harrier Circus hudsonius
    # Count: 1
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  90. Cave Swallow Petrochelidon fulva
    # Count: 1
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  91. House Finch Haemorhous mexicanus
    # Count: 4
    Date:
    Observer: Robin Robinson
    Location: Casco Bay (offshore only)
  92. Black-legged Kittiwake Rissa tridactyla
    # Count: X
    Date:
    Observer: Marian Zimmerman
    Location: Casco Bay (offshore only)
  93. Black-bellied Plover Pluvialis squatarola
    # Count: 9
    Date:
    Observer: Mike Fahay
    Location: Casco Bay (offshore only)
  94. Ruddy Turnstone Arenaria interpres
    # Count: X
    Date:
    Observer: Frank Paul
    Location: Casco Bay (offshore only)
  95. Parasitic Jaeger Stercorarius parasiticus
    # Count: 1
    Date:
    Observer: Frank Paul
    Location: Casco Bay (offshore only)
  96. Northern Fulmar Fulmarus glacialis
    # Count: X
    Date:
    Observer: Terry Bronson
    Location: Casco Bay (offshore only)
  97. Black-crowned Night Heron Nycticorax nycticorax
    # Count: X
    Date:
    Observer: Peggy Page
    Location: Casco Bay (offshore only)
  98. Glossy Ibis Plegadis falcinellus
    # Count: X
    Date:
    Observer: Peggy Page
    Location: Casco Bay (offshore only)
  99. Bank Swallow Riparia riparia
    # Count: X
    Date:
    Observer: Peggy Page
    Location: Casco Bay (offshore only)
  100. Chimney Swift Chaetura pelagica
    # Count: 50
    Date:
    Observer: Jim Moore
    Location: Casco Bay (offshore only)
  101. Brant Branta bernicla
    # Count: X
    Date:
    Observer: Frank Paul
    Location: Casco Bay (offshore only)
  102. Horned Grebe Podiceps auritus
    # Count: X
    Date:
    Observer: Frank Paul
    Location: Casco Bay (offshore only)
  103. Thick-billed Murre Uria lomvia
    # Count: 1
    Date:
    Observer: Frank Paul
    Location: Casco Bay (offshore only)

Additional Taxa (15)

  1. duck sp. Anatidae (duck sp.)
    # Count: 4
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  2. shorebird sp. Charadriiformes sp.
    # Count: 1
    Date:
    Observer: Thomas Gonye
    Location: Casco Bay (offshore only)
  3. new world warbler sp. Parulidae sp.
    # Count: 1
    Date:
    Observer: Odysseas Froilán Papageorgiou
    Location: Casco Bay (offshore only)
  4. passerine sp. Passeriformes sp.
    # Count: 2
    Date:
    Observer: Odysseas Froilán Papageorgiou
    Location: Casco Bay (offshore only)
  5. gull sp. Larinae sp.
    # Count: 4
    Date:
    Observer: Geraldine Shannon
    Location: Casco Bay (offshore only)
  6. scoter sp. Melanitta sp.
    # Count: 5
    Date:
    Observer: Rudy Iles
    Location: Casco Bay (offshore only)
  7. cormorant sp. Phalacrocoracidae sp.
    # Count: 11
    Date:
    Observer: Rudy Iles
    Location: Casco Bay (offshore only)
  8. woodpecker sp. Picidae sp.
    # Count: 1
    Date:
    Observer: Cassadi Chase
    Location: Casco Bay (offshore only)
  9. peep sp. Calidris sp. (peep sp.)
    # Count: 10
    Date:
    Observer: Mateo M
    Location: Casco Bay (offshore only)
  10. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 10
    Date:
    Observer: Carly Rodgers
    Location: Casco Bay (offshore only)
  11. Surf/Black Scoter Melanitta perspicillata/americana
    # Count: 15
    Date:
    Observer: Carly Rodgers
    Location: Casco Bay (offshore only)
  12. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 1
    Date:
    Observer: Carly Rodgers
    Location: Casco Bay (offshore only)
  13. jaeger sp. Stercorarius sp. (jaeger sp.)
    # Count: 1
    Date:
    Observer: Mike Fahay
    Location: Casco Bay (offshore only)
  14. Accipiter sp. Accipiter sp.
    # Count: 1
    Date:
    Observer: Michael Dupree
    Location: Casco Bay (offshore only)
  15. crow sp. Corvus sp. (crow sp.)
    # Count: X
    Date:
    Observer: Eric Haskell
    Location: Casco Bay (offshore only)