species
87.
species
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440.
Mallard x American Black Duck (hybrid)
Common x Barrow's Goldeneye (hybrid)
Herring x Lesser Black-backed Gull (hybrid)
Domestic goose sp. x Canada Goose (hybrid)
Golden-winged x Blue-winged Warbler (hybrid)
Tufted Duck x scaup sp. (hybrid)
Tufted Duck x Greater Scaup (hybrid)
Herring x Glaucous Gull (hybrid)
Herring x Great Black-backed Gull (hybrid)
Brewster's Warbler (hybrid)
Common Goldeneye x Hooded Merganser (hybrid)
American Wigeon x Mallard (hybrid)
Bufflehead x Common Goldeneye (hybrid)
Spotted x Eastern Towhee (hybrid)
Dunlin x White-rumped Sandpiper (hybrid)
Blue-winged x Prairie Warbler (hybrid)
Lawrence's Warbler (hybrid)
Black-headed x Ring-billed Gull (hybrid)
Common/Red-breasted Merganser
shorebird sp.
blackbird sp.
Mallard/American Black Duck
Accipiter sp.
Thick-billed/Common Murre
Lesser/Greater Yellowlegs
Sharp-shinned/Cooper's Hawk
Ruby-crowned/Golden-crowned Kinglet
alcid sp.
new world warbler sp.
diurnal raptor sp.
Spizella sp./American Tree Sparrow
Short-billed/Long-billed Dowitcher
Common/Barrow's Goldeneye
Bohemian/Cedar Waxwing
Parasitic/Pomarine Jaeger
shearwater sp.
Domestic goose sp. (Domestic type)
Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow)
black-and-white shearwater sp.
Cory's/Great Shearwater
Black-bellied Plover/golden-plover sp.
Long-tailed/Parasitic Jaeger
new world flycatcher sp.
Yellow-crowned/Black-crowned Night Heron
teal sp.
Leiothlypis sp.
Bay-breasted/Blackpoll Warbler
Yellow-billed/Black-billed Cuckoo
phalarope sp.
Western/Semipalmated Sandpiper
Alder/Willow Flycatcher (Traill's Flycatcher)
Empidonax sp.
storm-petrel sp.
dabbling duck sp.
Ammospiza sp.
Hudsonian/Marbled Godwit
Calidris sp.
large tern sp.
white egret sp.
American/Fish Crow
new world oriole sp.
gull/tern sp.
Common/Arctic Tern
King/Clapper Rail
Philadelphia/Warbling Vireo
Great/Double-crested Cormorant
sulid sp.
Passerina sp.
Red/Red-necked Phalarope
rail/crake sp.
Eurasian/American Wigeon
crow/raven sp.
storm-petrel sp. (white-rumped)
Summer/Scarlet Tanager
Common/Hoary Redpoll
eider sp.
crossbill sp.
Ardea sp.
jaeger/skua sp.
Myiarchus sp.
yellow-bellied kingbird sp.
Herring/Iceland Gull
Gray-cheeked/Bicknell's Thrush
Podiceps sp.
Rufous/Allen's Hummingbird
Sedge/Marsh Wren
Sooty/Short-tailed Shearwater
golden-plover sp.
nightjar sp.
nighthawk sp.
Cackling/Canada Goose
nuthatch sp.
Western/Eastern Meadowlark
waterfowl sp.
bluebird sp.
merganser sp.
Horned/Eared Grebe
Louisiana/Northern Waterthrush
Antrostomus sp.
Scolopacidae sp.
hummingbird sp.
small falcon sp.
Lazuli/Indigo Bunting
Cooper's Hawk/American Goshawk
new world martin sp. (Progne sp.)
large falcon sp.
Tropical/Couch's Kingbird
Cliff/Cave Swallow
albatross sp.
Selasphorus sp.
Red-necked/Little Stint
small albatross sp.
Arctic/Pacific Loon
American/Pacific Golden-Plover (Lesser Golden-Plover)