This list is intended to just show the presence or absence of a species that is seen regularly at the observatory.

                                    It does not indicate how many individuals of that species have been seen in each day.

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Red-throated Loon


Common Loon


Pied-billed Grebe


Horned Grebe


Red-necked Grebe


Double-crested Cormorant


American Bittern


Great Blue Heron


Green Heron


Black-crowned Night Heron


Turkey Vulture


Canada Goose


Atlantic Brant


Mute Swan


Tundra Swan


Wood Duck




American Wigeon


American Black Duck




Blue-winged Teal


Northern Shoveler


Northern Pintail


American Green-winged Teal






Ring-necked Duck


Greater scaup


Lesser Scaup


Surf Scoter


White-winged Scoter


Black Scoter


Long-tailed Duck




Common Goldeneye


Hooded Merganser


Common Merganser


Red-breasted Merganser




Bald Eagle


Northern harrier


Sharp-shinned Hawk


Coopers Hawk


Northern Goshawk


Red-shouldered Hawk


Broad-winged Hawk


Red-tailed Hawk


Rough-legged Hawk


Golden Eagle


American Kestrel




Peregrine Falcon


Ruffed Grouse


Wild Turkey


Sandhill Crane


Black-bellied Plover


Semi-palmated Plover




Greater Yellowlegs


Lesser Yellowlegs


Solitary Sandpiper


Spotted Sandpiper


Upland Sandpiper


Ruddy Turnstone


Red Knot




Semi-palmated Sandpiper


Western Sandpiper


Least Sandpiper


Bairds Sandpiper


Pectoral sandpiper




Stilt Sandpiper


Wilson's Snipe


American Woodcock


Little Gull


Bonaparte’s Gull


Ring-billed Gull


Herring Gull


Great Black-backed Gull


Caspian Tern


Common Tern


Forster’s Tern


Black Tern


Rock Pigeon


Mourning Dove


Black-billed Cuckoo


Yellow-billed Cuckoo


Eastern Screech Owl


Great-horned Owl


Barred Owl


Long-eared Owl


Short-eared Owl


Northern Saw-whet Owl


Common Nighthawk




Chimney Swift


Ruby-throated Hummingbird


Belted Kingfisher


Red-headed Woodpecker


Red-bellied Woodpecker


Yellow-bellied Sapsucker


Downy Woodpecker


Hairy Woodpecker


Yellow-Shafted Flicker


Flicker Intergrade


Pileated Woodpecker


Olive-sided Flycatcher


Eastern Wood-pewee


Yellow-bellied Flycatcher


Traill’s Flycatcher


Alder Flycatcher


Willow Flycatcher


Least Flycatcher


Eastern Phoebe


Great Crested Flycatcher


Eastern Kingbird


Northern Shrike


Yellow-throated Vireo


Blue-headed Vireo


Warbling Vireo


Philadelphia Vireo


Red-eyed Vireo


Blue Jay


American Crow


Common Raven


Horned Lark


Purple Martin


Tree Swallow


Northern Rough-winged Swallow


Bank Swallow


Cliff Swallow


Barn Swallow


Black-capped Chickadee


Eastern Tufted Titmouse


Red-breasted Nuthatch


White-breasted Nuthatch


Brown Creeper


House Wren


Winter Wren


Golden-crowned Kinglet


Ruby-crowned Kinglet


Blue-gray Gnatcatcher


Eastern Bluebird




Gray-cheeked Thrush


Gray-cheeked/Bicknels Thrush


Swainson’s Thrush


Hermit Thrush


Wood Thrush


American Robin


Gray Catbird


Northern Mockingbird


Brown Thrasher


European Starling


American Pipit


Bohemian Waxwing


Cedar Waxwing


Blue-winged Warbler


Brewsters Warbler


Golden-winged Warbler


Tennessee Warbler


Orange-crowned Warbler


Nashville Warbler


Northern Parula


Yellow Warbler


Chestnut-sided Warbler


Magnolia Warbler


Cape May Warbler


Black-throated Blue Warbler


Myrtle Warbler


Black-throated Green Warbler


Blackburnian Warbler


Pine Warbler


Western Palm Warbler


Yellow Palm Warbler


Bay-breasted Warbler


Blackpoll Warbler


Cerulean Warbler


Black and White Warbler


American Redstart




Northern Waterthrush


Connecticut Warbler


Mourning Warbler


Common Yellowthroat


Hooded  Warbler


Wilson’s Warbler


Canada Warbler


Yellow-breasted Chat


Scarlet Tanager


Eastern Towhee


American Tree Sparrow


Chipping Sparrow


Clay-coloured Sparrow


Field Sparrow


Vesper Sparrow


Savannah Sparrow


Fox Sparrow


Song Sparrow


Lincoln’s Sparrow


Swamp Sparrow


White-throated Sparrow


White-crowned Sparrow


Eastern White-crowned Sparrow


Gambels White-crowned Sparrow


Slate-coloured Junco


Lapland Longspur


Snow Bunting


Northern Cardinal


Rose-breasted Grosbeak


Indigo Bunting




Red-winged Blackbird


Eastern Meadowlark


Rusty Blackbird


Common Grackle


Brown-headed Cowbird


Orchard Oriole


Baltimore Oriole


Pine Grosbeak


Purple Finch


House Finch


White-winged Crossbill


Common Redpoll


Pine Siskin


American Goldfinch


Evening Grosbeak


House Sparrow