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Bird Observations

			Date Range: May, 1900-2024

Elkhorn Slough--Hudson Landing mudflats & Porter Marsh

Updated ~22 hr(s) ago.

111 species (+5 other taxa)	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Brant
Canada Goose
Blue-winged Teal
Cinnamon Teal
Northern Shoveler
Gadwall
American Wigeon
Mallard
Northern Pintail
Green-winged Teal
teal sp.
Greater Scaup
Lesser Scaup
Surf Scoter
Bufflehead
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Ruddy Duck
California Quail
Pied-billed Grebe
Red-necked Grebe
Eared Grebe
Western Grebe
Clark's Grebe
Rock Pigeon
Eurasian Collared-Dove
Mourning Dove
Vaux's Swift
Anna's Hummingbird
Allen's Hummingbird
Virginia Rail
American Coot
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
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
Red-necked Phalarope
Willet
Greater Yellowlegs
Sanderling
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Dunlin
Least Sandpiper
Western Sandpiper
peep sp.
Pigeon Guillemot
Ring-billed Gull
Western Gull
California Gull
gull sp.
Caspian Tern
Forster's Tern
Common Loon
Brandt's Cormorant
Double-crested Cormorant
cormorant sp.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
American White Pelican
Brown Pelican
Snowy Egret
Great Egret
Great Blue Heron
Turkey Vulture
Osprey
Red-shouldered Hawk
Red-tailed Hawk
Great Horned Owl
Belted Kingfisher
Downy Woodpecker
Nuttall's Woodpecker
Hairy Woodpecker
Western Flycatcher
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Black Phoebe
Say's Phoebe
Hutton's Vireo
Warbling Vireo
Loggerhead Shrike
California Scrub-Jay
American Crow
Common Raven
Chestnut-backed Chickadee
Oak Titmouse
Tree Swallow
Violet-green Swallow
Northern Rough-winged Swallow
Barn Swallow
Cliff Swallow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bushtit
Wrentit
Marsh Wren
Bewick's Wren
European Starling
California Thrasher
Northern Mockingbird
American Robin
Cedar Waxwing
House Sparrow
House Finch
Purple Finch
American Goldfinch
Savannah Sparrow
Song Sparrow
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
California Towhee
Spotted Towhee
Red-winged Blackbird
Tricolored Blackbird
Brown-headed Cowbird
Brewer's Blackbird
Orange-crowned Warbler
Common Yellowthroat
Wilson's Warbler
Black-headed Grosbeak
Lazuli Bunting

KEY:| = insufficient data | = rare to widespread

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