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Bird Observations

			Date Range: Jan-Dec, 1900-2023

Bill Williams River National Wildlife Refuge

Updated ~15 hr(s) ago.

303 species (+84 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Domestic goose sp. (Domestic type)
Canada Goose
Cackling/Canada Goose
Tundra Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
American Wigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mallard
Mexican Duck
Mallard x Mexican Duck (hybrid)
Mallard/Mexican Duck
Northern Pintail
Green-winged Teal
teal sp.
dabbling duck sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Aythya sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Surf Scoter
White-winged Scoter
Black Scoter
Surf/Black Scoter
scoter sp.
Long-tailed Duck
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common x Barrow's Goldeneye (hybrid)
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common/Red-breasted Merganser
Ruddy Duck
duck sp.
Gambel's Quail
Wild Turkey
Pied-billed Grebe
Horned Grebe
Red-necked Grebe
Eared Grebe
Horned/Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
Rock Pigeon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Band-tailed Pigeon
Eurasian Collared-Dove
African Collared-Dove
Inca Dove
Common Ground Dove
White-winged Dove
Mourning Dove
Greater Roadrunner
Yellow-billed Cuckoo
Lesser Nighthawk
Common Poorwill
Vaux's Swift
White-throated Swift
swift sp.
Black-chinned Hummingbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Anna's Hummingbird
Costa's Hummingbird
Anna's/Costa's Hummingbird
Calliope Hummingbird
Rufous Hummingbird
Rufous/Allen's Hummingbird
Selasphorus sp.
Broad-billed Hummingbird
hummingbird sp.
Ridgway's Rail
Virginia Rail
Sora
Common Gallinule
American Coot
Black Rail
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
rail/crake sp.
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
Semipalmated Plover
Killdeer
Whimbrel
Long-billed Curlew
Marbled Godwit
Sanderling
Dunlin
Least Sandpiper
Pectoral Sandpiper
Western Sandpiper
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
peep sp.
Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
Red Phalarope
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Willet
Lesser Yellowlegs
large shorebird sp.
shorebird sp.
Pomarine Jaeger
Parasitic Jaeger
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black-legged Kittiwake
Sabine's Gull
Bonaparte's Gull
Franklin's Gull
Heermann's Gull
Short-billed Gull
Ring-billed Gull
California Gull
Herring Gull
Lesser Black-backed Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Common Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Forster's Tern
Common/Forster's Tern
Sterna sp.
tern sp.
Black Skimmer
gull/tern sp.
Red-throated Loon
Pacific Loon
Common Loon
Yellow-billed Loon
loon sp.
Wood Stork
Blue-footed Booby
Brown Booby
booby sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Double-crested Cormorant
Neotropic Cormorant
Double-crested/Neotropic Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Least Bittern
Great Blue Heron
Great Egret
Snowy Egret
Little Blue Heron
Reddish Egret
Cattle Egret
white egret sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Green Heron
Black-crowned Night-Heron
White-faced Ibis
Glossy/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
Common Black Hawk
Red-shouldered Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Swainson's Hawk
Zone-tailed Hawk
Red-tailed Hawk
Ferruginous Hawk
Buteo sp.
hawk sp.
Barn Owl
Western Screech-Owl
Great Horned Owl
Elf Owl
Burrowing Owl
Long-eared Owl
Northern Saw-whet Owl
Belted Kingfisher
Yellow-bellied Sapsucker
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-naped Sapsucker
Yellow-bellied/Red-naped Sapsucker
Red-breasted Sapsucker
Red-naped x Red-breasted Sapsucker (hybrid)
Red-naped/Red-breasted Sapsucker
sapsucker sp.
Gila Woodpecker
Ladder-backed Woodpecker
Northern Flicker
Gilded Flicker
Northern/Gilded Flicker
woodpecker sp.
American Kestrel
Merlin
Peregrine Falcon
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Prairie Falcon
large falcon sp.
falcon sp.
Olive-sided Flycatcher
Western Wood-Pewee
Willow Flycatcher
Hammond's Flycatcher
Gray Flycatcher
Dusky Flycatcher
Hammond's/Dusky Flycatcher
Gray/Dusky Flycatcher
Pacific-slope Flycatcher
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
Empidonax sp.
Black Phoebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Say's Phoebe
Vermilion Flycatcher
Ash-throated Flycatcher
Nutting's Flycatcher
Brown-crested Flycatcher
Myiarchus sp.
Tropical Kingbird
Cassin's Kingbird
Thick-billed Kingbird
Western Kingbird
Scissor-tailed Flycatcher
new world flycatcher sp.
Bell's Vireo
Gray Vireo
Hutton's Vireo
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Yellow-throated Vireo
Cassin's Vireo
Cassin's/Blue-headed Vireo
Plumbeous Vireo
Cassin's/Plumbeous Vireo
solitary vireo sp.
Warbling Vireo
vireo sp.
Loggerhead Shrike
Woodhouse's Scrub-Jay
Common Raven
Mountain Chickadee
Verdin
Horned Lark
Northern Rough-winged Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Purple Martin
Tree Swallow
Violet-green Swallow
Tree/Violet-green Swallow
Bank Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Bushtit
Ruby-crowned Kinglet
Golden-crowned Kinglet
Red-breasted Nuthatch
Brown Creeper
Blue-gray Gnatcatcher
Black-tailed Gnatcatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
gnatcatcher sp.