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Bird Observations

			Date Range: Feb, 1900-2024

Elkhorn Slough--Hudson Landing mudflats & Porter Marsh

Updated ~25 hr(s) ago.

113 species (+8 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Snow Goose
Cackling Goose
Canada Goose
Tundra Swan
Blue-winged Teal
Cinnamon Teal
Blue-winged/Cinnamon Teal
Northern Shoveler
Gadwall
Eurasian Wigeon
American Wigeon
Eurasian x American Wigeon (hybrid)
Mallard
Northern Pintail
Green-winged Teal
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Canvasback
Redhead
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Bufflehead
Common Goldeneye
Hooded Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Clark's Grebe
Eurasian Collared-Dove
Anna's Hummingbird
American Coot
Black-necked Stilt
American Avocet
Black-bellied Plover
Killdeer
Semipalmated Plover
Whimbrel
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
Red Phalarope
Lesser Yellowlegs
Willet
Greater Yellowlegs
Dunlin
Least Sandpiper
Western Sandpiper
Bonaparte's Gull
Ring-billed Gull
Western Gull
Herring Gull
California Gull
Glaucous-winged Gull
gull sp.
Forster's Tern
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Red-throated Loon
Common Loon
loon sp.
Brandt's Cormorant
Double-crested Cormorant
American White Pelican
Snowy Egret
Great Egret
Great Blue Heron
Turkey Vulture
White-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bald Eagle
Red-shouldered Hawk
Red-tailed Hawk
Great Horned Owl
Belted Kingfisher
Acorn Woodpecker
Downy Woodpecker
American Kestrel
Peregrine Falcon
Black Phoebe
Say's Phoebe
Hutton's Vireo
California Scrub-Jay
American Crow
Chestnut-backed Chickadee
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Oak Titmouse
Tree Swallow
Violet-green Swallow
Bushtit
Wrentit
House Wren
Marsh Wren
Bewick's Wren
European Starling
California Thrasher
Northern Mockingbird
Western Bluebird
American Robin
American Pipit
House Finch
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Purple Finch
Pine Siskin
American Goldfinch
Fox Sparrow
White-crowned Sparrow
Golden-crowned Sparrow
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Western Meadowlark
Red-winged Blackbird
Brewer's Blackbird
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Common Yellowthroat

KEY:| = insufficient data | = rare to widespread

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