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Bird Observations

			Date Range: Oct, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~27 hr(s) ago.

205 species (+32 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Canada Goose
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
Northern Pintail
Green-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
Surf Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
Gambel's Quail
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
African Collared-Dove
Common Ground Dove
Mourning Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater Roadrunner
Common Poorwill
Vaux's Swift
White-throated Swift
Anna's Hummingbird
Costa's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Black-necked Stilt
American Avocet
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Killdeer
Whimbrel
Marbled Godwit
Long-billed Dowitcher
Wilson's Snipe
Red Phalarope
Red-necked Phalarope
Spotted Sandpiper
Greater Yellowlegs
Least Sandpiper
Pectoral Sandpiper
peep sp.
shorebird sp.
Parasitic Jaeger
Sabine's Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bonaparte's Gull
Franklin's Gull
Ring-billed Gull
Herring Gull
California Gull
Larus sp.
gull sp.
Black Skimmer
Caspian Tern
Forster's Tern
Common Tern
Forster's/Common Tern
Pacific Loon
Common Loon
Wood Stork
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Blue-footed Booby
booby sp.
Double-crested Cormorant
Neotropic Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Great Egret
Great Blue Heron
White-faced Ibis
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Turkey Vulture
Osprey
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Sharp-shinned/Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-tailed Hawk
Barn Owl
Western Screech-Owl
Great Horned Owl
Northern Saw-whet Owl
Belted Kingfisher
Red-naped Sapsucker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-breasted Sapsucker
Red-naped/Red-breasted Sapsucker
Gila Woodpecker
Ladder-backed Woodpecker
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
large falcon sp.
Western Wood-Pewee
Willow Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gray Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
Brown-crested Flycatcher
Tropical Kingbird
Bell's Vireo
Cassin's Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
solitary vireo sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Verdin
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
Golden-crowned Kinglet
Red-breasted Nuthatch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown Creeper
Blue-gray Gnatcatcher
Black-tailed Gnatcatcher
Rock Wren
Canyon Wren
House Wren
Pacific Wren
Winter Wren
Marsh Wren
Bewick's Wren
Cactus Wren
wren sp.
European Starling
Crissal Thrasher
Sage Thrasher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern Mockingbird
Townsend's Solitaire
Hermit Thrush
American Robin
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
House Finch
Purple Finch
Red Crossbill
Pine Siskin
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chipping Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
White-throated Sparrow
Sagebrush Sparrow
Sagebrush/Bell's Sparrow (Sage Sparrow)
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Abert's Towhee
Green-tailed Towhee
Spotted Towhee
Yellow-headed Blackbird
Western Meadowlark
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Black-and-white Warbler
Orange-crowned Warbler
Nashville Warbler
MacGillivray's Warbler
Common Yellowthroat
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Magnolia Warbler
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
Painted Redstart
new world warbler sp.
Summer Tanager
Western Tanager
Black-headed Grosbeak
passerine sp.

KEY:| = insufficient data | = rare to widespread

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