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Bird Observations

			Date Range: Dec, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~30 hr(s) ago.

183 species (+42 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Canada Goose
Tundra Swan
Wood Duck
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Surf Scoter
White-winged Scoter
Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Common/Red-breasted Merganser
Ruddy Duck
duck sp.
Gambel's Quail
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Greater Roadrunner
White-throated Swift
Anna's Hummingbird
Costa's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
American Avocet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Killdeer
Wilson's Snipe
Spotted Sandpiper
Greater Yellowlegs
Least Sandpiper
peep sp.
shorebird sp.
Pomarine Jaeger
Black-legged Kittiwake
Bonaparte's Gull
Short-billed Gull
Ring-billed Gull
Herring Gull
Lesser Black-backed Gull
California Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Larus sp.
gull sp.
Red-throated Loon
Pacific Loon
Common Loon
loon sp.
Brown Booby
Blue-footed Booby
Double-crested Cormorant
Neotropic Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-crowned Night Heron
Snowy Egret
Green Heron
Great Egret
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-shouldered Hawk
Red-tailed Hawk
Buteo sp.
hawk sp.
Western Screech-Owl
Great Horned Owl
Burrowing Owl
Belted Kingfisher
Yellow-bellied Sapsucker
Red-naped Sapsucker
Red-breasted Sapsucker
Red-naped x Red-breasted Sapsucker (hybrid)
sapsucker sp.
Gila Woodpecker
Ladder-backed Woodpecker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
falcon sp.
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Empidonax sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
new world flycatcher sp.
Hutton's Vireo
Cassin's Vireo
Cassin's/Blue-headed Vireo
Plumbeous Vireo
vireo sp.
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Verdin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Horned Lark
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Black-tailed Gnatcatcher
gnatcatcher sp.
Rock Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canyon Wren
House Wren
Winter Wren
Pacific/Winter Wren
Marsh Wren
Bewick's Wren
Cactus Wren
European Starling
Crissal Thrasher
Toxostoma sp.
Northern Mockingbird
Western Bluebird
Mountain Bluebird
Townsend's Solitaire
Hermit Thrush
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Robin
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
House Finch
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
Chipping Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Dark-eyed Junco
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
White-crowned Sparrow
Golden-crowned Sparrow
Sagebrush Sparrow
Bell's Sparrow
Sagebrush/Bell's Sparrow (Sage Sparrow)
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
Abert's Towhee
Rufous-crowned Sparrow
Green-tailed Towhee
Spotted Towhee
new world sparrow sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Meadowlark
Red-winged Blackbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Black-and-white Warbler
Orange-crowned Warbler
Common Yellowthroat
Yellow-rumped Warbler
Prairie Warbler
Black-throated Gray Warbler
new world warbler sp.
Summer Tanager
Northern Cardinal
passerine sp.

KEY:| = insufficient data | = rare to widespread

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