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Bird Observations

			Date Range: Apr, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~23 hr(s) ago.

203 species (+32 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canada Goose
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mallard x Mexican Duck (hybrid)
Green-winged Teal
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lesser Scaup
Greater/Lesser Scaup
Surf Scoter
White-winged Scoter
Black Scoter
Long-tailed Duck
Bufflehead
Common Goldeneye
Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
Gambel's Quail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pied-billed Grebe
Horned Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Inca Dove
White-winged Dove
Mourning Dove
Greater Roadrunner
Lesser Nighthawk
Common Poorwill
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Vaux's Swift
White-throated Swift
Black-chinned Hummingbird
Anna's Hummingbird
Costa's Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Rufous/Allen's Hummingbird
Broad-billed Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Rail
Black-necked Stilt
American Avocet
Killdeer
Long-billed Curlew
Wilson's Snipe
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Greater Yellowlegs
Least Sandpiper
Ring-billed Gull
Larus sp.
gull sp.
Caspian Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Forster's Tern
Pacific Loon
Common Loon
Double-crested Cormorant
Neotropic Cormorant
American White Pelican
Brown Pelican
Least Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
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
Common Black Hawk
Swainson's Hawk
Zone-tailed Hawk
Red-tailed Hawk
Barn Owl
Western Screech-Owl
Great Horned Owl
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Elf Owl
Long-eared Owl
Belted Kingfisher
Red-naped Sapsucker
Gila Woodpecker
Ladder-backed Woodpecker
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
Olive-sided Flycatcher
Western Wood-Pewee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Gray/Dusky Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
Brown-crested Flycatcher
Cassin's Kingbird
Western Kingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world flycatcher sp.
Bell's Vireo
Gray Vireo
Hutton's Vireo
Cassin's Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
solitary vireo sp.
Warbling Vireo
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Verdin
Bank Swallow
Tree Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
Red-breasted Nuthatch
Blue-gray Gnatcatcher
Black-tailed Gnatcatcher
Rock Wren
Canyon Wren
House Wren
Marsh Wren
Bewick's Wren
Cactus Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
wren sp.
European Starling
Crissal Thrasher
Sage Thrasher
Northern Mockingbird
Swainson's Thrush
Hermit Thrush
American Robin
Rufous-backed Robin
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
House Finch
Pine Siskin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lesser Goldfinch
Lawrence's Goldfinch
American Goldfinch
Chipping Sparrow
Brewer's Sparrow
Spizella sp.
Black-throated Sparrow
Lark Sparrow
White-crowned Sparrow
Golden-crowned Sparrow
Sagebrush/Bell's Sparrow (Sage Sparrow)
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Abert's Towhee
Green-tailed Towhee
Spotted Towhee
towhee sp.
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Western Meadowlark
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
MacGillivray's Warbler
Common Yellowthroat
American Redstart
Northern Parula
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Tanager
tanager sp. (Piranga sp.)
Northern Cardinal
Rose-breasted Grosbeak
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli x Indigo Bunting (hybrid)
passerine sp.

KEY:| = insufficient data | = rare to widespread

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