« Start Over

Bird Observations

			Date Range: Aug, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~28 hr(s) ago.

158 species (+31 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Greater White-fronted Goose
Canada Goose
Wood Duck
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
Mallard
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
dabbling duck sp.
Redhead
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
duck sp.
Gambel's Quail
Pied-billed Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Common Ground Dove
White-winged Dove
Mourning Dove
Greater Roadrunner
Yellow-billed Cuckoo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lesser Nighthawk
Common Poorwill
White-throated Swift
Black-chinned Hummingbird
Anna's Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
Black-necked Stilt
American Avocet
Black-bellied Plover
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Killdeer
Semipalmated Plover
Long-billed Curlew
Marbled Godwit
Long-billed Dowitcher
Wilson's Phalarope
Red-necked Phalarope
Spotted Sandpiper
Solitary Sandpiper
Willet
Greater Yellowlegs
Least Sandpiper
Western Sandpiper
peep sp.
large shorebird sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
shorebird sp.
Franklin's Gull
Ring-billed Gull
California Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Forster's Tern
Common Tern
Forster's/Common Tern
Sterna sp.
tern sp.
Common Loon
Wedge-rumped Storm-Petrel
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Least Storm-Petrel
storm-petrel sp. (white-rumped)
storm-petrel sp.
Double-crested Cormorant
Neotropic Cormorant
cormorant sp.
American White Pelican
Least Bittern
Black-crowned Night Heron
Reddish Egret
Snowy Egret
Green Heron
Great Egret
Great Blue Heron
White-faced Ibis
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Cooper's Hawk
Bald Eagle
Zone-tailed Hawk
Red-tailed Hawk
Western Screech-Owl
Great Horned Owl
Elf Owl
Long-eared Owl
Belted Kingfisher
Gila Woodpecker
Ladder-backed Woodpecker
Gilded Flicker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Northern/Gilded Flicker
American Kestrel
Peregrine Falcon
Western Wood-Pewee
Willow Flycatcher
Western Flycatcher
Empidonax sp.
Black Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
Brown-crested Flycatcher
Myiarchus sp.
Western Kingbird
Bell's Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hutton's Vireo
Warbling Vireo
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Verdin
Bank Swallow
Tree Swallow
Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Blue-gray Gnatcatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-tailed Gnatcatcher
gnatcatcher sp.
Rock Wren
Canyon Wren
House Wren
Marsh Wren
Bewick's Wren
Cactus Wren
European Starling
Crissal Thrasher
Northern Mockingbird
Phainopepla
House Sparrow
House Finch
Lesser Goldfinch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
new world goldfinch sp.
Chipping Sparrow
Brewer's Sparrow
Black-throated Sparrow
Lark Sparrow
Song Sparrow
Abert's Towhee
new world sparrow sp.
Yellow-breasted Chat
Yellow-headed Blackbird
Hooded Oriole
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Great-tailed Grackle
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
blackbird sp.
Louisiana Waterthrush
Orange-crowned Warbler
Lucy's Warbler
Nashville Warbler
Leiothlypis sp.
MacGillivray's Warbler
Common Yellowthroat
American Redstart
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Hermit Warbler
Wilson's Warbler
new world warbler sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Summer Tanager
Western Tanager
Northern Cardinal
Black-headed Grosbeak
Blue Grosbeak
Lazuli Bunting
Indigo Bunting
Lazuli/Indigo Bunting
Passerina sp.

KEY:| = insufficient data | = rare to widespread

Download Histogram Data