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Bird Observations

			Date Range: Sep, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~32 hr(s) ago.

192 species (+36 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater White-fronted Goose
Canada Goose
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
dabbling duck sp.
Redhead
Ring-necked Duck
Greater Scaup
Aythya sp.
Surf Scoter
Ruddy Duck
duck sp.
Gambel's Quail
Pied-billed Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Eurasian Collared-Dove
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Ground Dove
White-winged Dove
Mourning Dove
Greater Roadrunner
Yellow-billed Cuckoo
Lesser Nighthawk
Common Poorwill
Vaux's Swift
White-throated Swift
Black-chinned Hummingbird
Anna's Hummingbird
Costa's Hummingbird
Rufous Hummingbird
Rufous/Allen's Hummingbird
hummingbird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black-necked Stilt
American Avocet
Killdeer
Whimbrel
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Solitary Sandpiper
Willet
Greater Yellowlegs
Sanderling
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
peep sp.
shorebird sp.
Parasitic Jaeger
Sabine's Gull
Franklin's Gull
Heermann's Gull
Ring-billed Gull
California Gull
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Larus sp.
Caspian Tern
Black Tern
Forster's Tern
Common Tern
Forster's/Common Tern
Sterna sp.
tern sp.
Common Loon
Wood Stork
Double-crested Cormorant
Neotropic Cormorant
cormorant sp.
American White Pelican
Brown Pelican
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Bittern
Least Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
white egret sp.
White-faced Ibis
Turkey Vulture
Osprey
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bald Eagle
Swainson's Hawk
Red-tailed Hawk
hawk sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Belted Kingfisher
Red-naped Sapsucker
Gila Woodpecker
Ladder-backed Woodpecker
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Gray Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brown-crested Flycatcher
Myiarchus sp.
Tropical Kingbird
Western Kingbird
Bell's Vireo
Cassin's Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
solitary vireo sp.
Warbling Vireo
vireo sp.
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Verdin
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Tree Swallow
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
gnatcatcher sp.
Rock Wren
Canyon Wren
House Wren
Marsh Wren
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bewick's Wren
Cactus Wren
Curve-billed Thrasher
Crissal Thrasher
Northern Mockingbird
Western Bluebird
Cedar Waxwing
Phainopepla
House Sparrow
American Pipit
House Finch
Lesser Goldfinch
Chipping Sparrow
Brewer's Sparrow
Spizella sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-throated Sparrow
Lark Sparrow
White-crowned Sparrow
Sagebrush/Bell's Sparrow (Sage Sparrow)
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Abert's Towhee
Green-tailed Towhee
Spotted Towhee
towhee sp.
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Western Meadowlark
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Great-tailed Grackle
blackbird sp.
Northern Waterthrush
Black-and-white Warbler
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Virginia's Warbler
MacGillivray's Warbler
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Hermit Warbler
Wilson's Warbler
new world warbler sp.
Summer Tanager
Western Tanager
Northern Cardinal
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lazuli/Indigo Bunting
Painted Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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