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Bird Observations

			Date Range: Jan-Dec, 1900-2023

Union Reservoir

Updated ~17 hr(s) ago.

276 species (+87 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Snow x Ross's Goose (hybrid)
Snow/Ross's Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Brant
Cackling Goose
Snow x Cackling Goose (hybrid)
Ross's x Cackling Goose (hybrid)
Greater White-fronted x Cackling Goose (hybrid)
Canada Goose
Snow x Canada Goose (hybrid)
Cackling/Canada Goose
Snow/Ross's x Cackling/Canada Goose (hybrid)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
goose sp.
Mute Swan
Trumpeter Swan
Tundra Swan
Trumpeter/Tundra Swan
swan sp.
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged x Cinnamon Teal (hybrid)
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Eurasian/American Wigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mallard
Mexican Duck
Mallard x Mexican Duck (hybrid)
American Black Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Ring-necked Duck x Lesser Scaup (hybrid)
Greater/Lesser Scaup
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Aythya sp.
Surf Scoter
White-winged Scoter
Black Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
merganser sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
Wild Turkey
Ring-necked Pheasant
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Eurasian Collared-Dove
White-winged Dove
Mourning Dove
pigeon/dove sp.
Common Nighthawk
nighthawk sp.
Black Swift
White-throated Swift
Black-chinned Hummingbird
Rufous Hummingbird
Broad-tailed Hummingbird
hummingbird sp.
Virginia Rail
Sora
American Coot
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
American Golden-Plover
Snowy Plover
Semipalmated Plover
Piping Plover
Killdeer
plover sp.
Upland Sandpiper
Whimbrel
Long-billed Curlew
Hudsonian Godwit
Marbled Godwit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Turnstone
Red Knot
Stilt Sandpiper
Sanderling
Dunlin
Baird's Sandpiper
Least Sandpiper
White-rumped Sandpiper
Pectoral Sandpiper
Semipalmated Sandpiper
Western Sandpiper
Semipalmated/Western Sandpiper
peep sp.
Short-billed Dowitcher
Long-billed Dowitcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Red Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Willet
Lesser Yellowlegs
Greater/Lesser Yellowlegs
large shorebird sp.
shorebird sp.
Parasitic Jaeger
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Long-tailed Jaeger
jaeger sp.
Ancient Murrelet
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Black-headed Gull
Little Gull
Laughing Gull
Franklin's Gull
Short-billed Gull
Ring-billed Gull
Laughing x Ring-billed Gull (hybrid)
California Gull
Herring Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Iceland Gull
Herring/Iceland Gull
Lesser Black-backed Gull
Herring x Lesser Black-backed Gull (hybrid)
Glaucous-winged Gull
Glaucous Gull
Herring x Glaucous Gull (hybrid)
Great Black-backed Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Common Tern
Arctic Tern
Forster's Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common/Forster's Tern
tern sp.
Red-throated Loon
Pacific Loon
Arctic/Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Double-crested Cormorant
Double-crested/Neotropic Cormorant
American White Pelican
Brown Pelican
American Bittern
Great Blue Heron
Great Egret
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snowy Egret
Little Blue Heron
Tricolored Heron
Cattle Egret
white egret sp.
Black-crowned Night-Heron
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Golden/Bald Eagle
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
hawk sp.
Barn Owl
Eastern Screech-Owl
Great Horned Owl
Burrowing Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Short-eared Owl
owl sp.
Belted Kingfisher
Yellow-bellied Sapsucker
Lewis's Woodpecker
Red-headed Woodpecker
Downy Woodpecker
Hairy Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
small falcon sp.
falcon sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Wood-Pewee
Willow Flycatcher
Least Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Cordilleran Flycatcher
Empidonax sp.
Say's Phoebe
Cassin's Kingbird
Western Kingbird
Cassin's/Western Kingbird
Eastern Kingbird
Cassin's Vireo
Plumbeous Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Philadelphia Vireo
Warbling Vireo
vireo sp.
Loggerhead Shrike
Northern Shrike
Blue Jay
Black-billed Magpie
American Crow
Common Raven
raven sp.
crow/raven sp.
Black-capped Chickadee
Mountain Chickadee
Black-capped/Mountain Chickadee
Horned Lark
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Rough-winged Swallow
Tree Swallow
Violet-green Swallow
Bank Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Red-breasted Nuthatch
White-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Rock Wren
House Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sedge Wren
Marsh Wren