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Bird Observations

Date Range:
Jan-Dec, 1900-2024

Elkhorn Slough--Hudson Landing mudflats & Porter Marsh

Updated ~26 hr(s) ago.

193 species (+30 other taxa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Snow Goose
Ross's Goose
Greater White-fronted Goose
Brant
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)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eurasian/American Wigeon
Mallard
Northern Pintail
Green-winged Teal
teal sp.
Canvasback
Redhead
Ring-necked Duck
Greater Scaup
Lesser Scaup
Greater/Lesser Scaup
Surf Scoter
Bufflehead
Common Goldeneye
Hooded Merganser
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Merganser
Red-breasted Merganser
Ruddy Duck
duck sp.
California Quail
Wild Turkey
Pied-billed Grebe
Horned Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Western/Clark's Grebe
Rock Pigeon
Band-tailed Pigeon
Eurasian Collared-Dove
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mourning Dove
pigeon/dove sp.
Vaux's Swift
Anna's Hummingbird
Allen's Hummingbird
Rufous/Allen's Hummingbird
Virginia Rail
Sora
American Coot
Sandhill Crane
Black-necked Stilt
American Avocet
Black-bellied Plover
Black-bellied Plover/golden-plover sp.
Killdeer
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Semipalmated Plover
Whimbrel
Long-billed Curlew
Marbled Godwit
Short-billed Dowitcher
Long-billed Dowitcher
Short-billed/Long-billed Dowitcher
Wilson's Snipe
Wilson's Phalarope
Red Phalarope
Red-necked Phalarope
Spotted Sandpiper
Lesser Yellowlegs
Willet
Greater Yellowlegs
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Lesser/Greater Yellowlegs
Black Turnstone
Red Knot
Sanderling
Dunlin
Baird's Sandpiper
Least Sandpiper
Western Sandpiper
peep sp.
Pigeon Guillemot
Common Murre
Bonaparte's Gull
Heermann's Gull
Short-billed Gull
Ring-billed Gull
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Western Gull
Herring Gull
California Gull
Glaucous-winged Gull
Western x Glaucous-winged Gull (hybrid)
Iceland Gull
Larus sp.
gull sp.
Caspian Tern
Black Tern
Forster's Tern
Common Tern
Elegant Tern
tern sp.
Red-throated Loon
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Common Loon
Yellow-billed Loon
loon sp.
Brandt's Cormorant
Pelagic Cormorant
Double-crested Cormorant
cormorant sp.
American White Pelican
Brown Pelican
American Bittern
Black-crowned Night Heron
Snowy Egret
Green Heron
Western Cattle Egret
Great Egret
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Great Blue Heron
White-faced Ibis
Turkey Vulture
Osprey
White-tailed Kite
Golden Eagle
Northern Harrier
Sharp-shinned Hawk
Cooper's Hawk
Accipiter sp.
Bald Eagle
Red-shouldered Hawk
Red-tailed Hawk
Buteo sp.
Great Horned Owl
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Belted Kingfisher
Acorn Woodpecker
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Northern Flicker
American Kestrel
Merlin
Peregrine Falcon
falcon sp.
Western Flycatcher
Empidonax sp.
Black Phoebe
Say's Phoebe
Hutton's Vireo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Warbling Vireo
Loggerhead Shrike
Steller's Jay
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Tree Swallow
Violet-green Swallow
Purple Martin
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
swallow sp.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Bushtit
Wrentit
Ruby-crowned Kinglet
White-breasted Nuthatch
Red-breasted Nuthatch
Blue-gray Gnatcatcher
House Wren
Marsh Wren
Bewick's Wren
European Starling
California Thrasher
Northern Mockingbird
Western Bluebird
Varied Thrush
Swainson's Thrush
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hermit Thrush
American Robin
Cedar Waxwing
House Sparrow
American Pipit
House Finch
Purple Finch
House/Purple Finch
Pine Siskin
Lesser Goldfinch
American Goldfinch
Fox Sparrow
Dark-eyed Junco
White-crowned Sparrow
Golden-crowned Sparrow
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
White-throated Sparrow
Zonotrichia sp.
Savannah Sparrow
Song Sparrow
Lincoln's Sparrow
Swamp Sparrow
California Towhee
Spotted Towhee
new world sparrow sp.
Yellow-headed Blackbird
Western Meadowlark
Bullock's Oriole
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Brewer's Blackbird
blackbird sp.
Orange-crowned Warbler
Common Yellowthroat
Yellow Warbler
Yellow-rumped Warbler
Black-throated Gray Warbler
Townsend's Warbler
Wilson's Warbler
new world warbler sp.
Black-headed Grosbeak
Lazuli Bunting
passerine sp.

KEY:| = insufficient data | = rare to widespread

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