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Bird Observations

Date Range:
Jan-Dec, 1900-2023

Walden Reservoir

Updated ~20 hr(s) ago.

194 species (+40 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Snow/Ross's Goose
Greater White-fronted Goose
Cackling Goose
Canada Goose
Cackling/Canada Goose
Trumpeter Swan
Wood Duck
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
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
Ring-necked Duck x Lesser Scaup (hybrid)
Greater/Lesser Scaup
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Aythya sp.
Surf Scoter
Bufflehead
Common Goldeneye
Bufflehead x Common Goldeneye (hybrid)
Barrow's Goldeneye
Common/Barrow's Goldeneye
Hooded Merganser
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
Greater Sage-Grouse
Dusky Grouse
Pied-billed Grebe
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Horned Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western x Clark's Grebe (hybrid)
Western/Clark's Grebe
grebe sp.
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Common Nighthawk
White-throated Swift
Calliope Hummingbird
Rufous Hummingbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Broad-tailed Hummingbird
Virginia Rail
Sora
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
Killdeer
Semipalmated Plover
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wilson's Snipe
Wilson's Phalarope
Red-necked Phalarope
phalarope sp.
Spotted Sandpiper
Solitary Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Lesser/Greater Yellowlegs
Stilt Sandpiper
Sanderling
Baird's Sandpiper
Least Sandpiper
Pectoral Sandpiper
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Sandpiper
Semipalmated Sandpiper
large shorebird sp.
shorebird sp.
Sabine's Gull
Bonaparte's Gull
Laughing Gull
Franklin's Gull
Ring-billed Gull
Herring Gull
California Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forster's Tern
Arctic Tern
Common Tern
Forster's/Common Tern
tern sp.
Arctic/Pacific Loon
Common Loon
loon sp.
Double-crested Cormorant
cormorant sp.
American White Pelican
American Bittern
Black-crowned Night Heron
Tricolored Heron
Snowy Egret
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Green Heron
Western Cattle Egret
Great Egret
Great Blue Heron
Glossy Ibis
White-faced Ibis
Glossy x White-faced Ibis (hybrid)
Glossy/White-faced Ibis
Turkey Vulture
Osprey
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Bald Eagle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Swainson's Hawk
Red-tailed Hawk
Rough-legged Hawk
Ferruginous Hawk
Buteo sp.
hawk sp.
Great Horned Owl
Belted Kingfisher
Red-naped Sapsucker
Downy Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
Prairie Falcon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
large falcon sp.
Western Wood-Pewee
Willow Flycatcher
Dusky Flycatcher
Empidonax sp.
Say's Phoebe
Western Kingbird
Eastern Kingbird
Scissor-tailed Flycatcher
Plumbeous Vireo
Warbling Vireo
Loggerhead Shrike
Northern Shrike
Steller's Jay
Black-billed Magpie
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
American Crow
Common Raven
Black-capped Chickadee
Mountain Chickadee
Horned Lark
Bank Swallow
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Ruby-crowned Kinglet
White-breasted Nuthatch
Blue-gray Gnatcatcher
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rock Wren
House Wren
Marsh Wren
European Starling
Gray Catbird
Sage Thrasher
Western Bluebird
Mountain Bluebird
bluebird sp.
Townsend's Solitaire
American Robin
House Sparrow
American Pipit
Gray-crowned Rosy-Finch
House Finch
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Cassin's Finch
Pine Siskin
American Goldfinch
Chestnut-collared Longspur
Chipping Sparrow
Clay-colored Sparrow
Brewer's Sparrow
Spizella sp.
Lark Sparrow
Lark Bunting
American Tree Sparrow
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Sagebrush Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Vesper Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Green-tailed Towhee
Spotted Towhee
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Brown-headed Cowbird
Rusty Blackbird
Brewer's Blackbird
Common Grackle
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
blackbird sp.
Orange-crowned Warbler
MacGillivray's Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Wilson's Warbler
Western Tanager
passerine sp.

KEY:| = insufficient data | = rare to widespread

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