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photographs by Douglas Herr

California: Alameda County

order Anseriformes: ducks, geese & swans

Canvasback (Aythya valisineria)

Tufted Duck (Aythya fuligula)

Greater Scaup (Aythya marila)

Surf Scoter (Melanitta perspicillata)

order Gruiformes: cranes, rails & coots

Ridgway's Rail (Rallus obsoletus)

order Charadriiformes: shorebirds

Black-bellied Plover (Pluvialis squatarola)

Sanderling (Calidris alba)

Glaucous-winged Gull (Larus glaucescens)

Forster's Tern (Sterna forsteri)

order Pelecaniformes: pelicans & herons

Snowy Egret (Egretta thula)

Green Heron (Butorides virescens)

Black-crowned Night Heron (Nycticorax nycticorax)

order Accipitriformes: hawks, eagles & kites

Golden Eagle (Aquila chrysaetos)

Red-tailed Hawk (Buteo jamaicensis)

order Strigiformes: owls

Burrowing Owl (Athene cunicularia)

order Falconiformes: falcons
Sunol Wilderness

Prairie Falcon (Falco mexicanus)

order Passeriformes: perching birds
Chestnut-backed Chickadee, Ardenwood Farm

Chestnut-backed Chickadee (Poecile rufescens)

Yellow Warbler (Setophaga petechia)

Townsend's Warbler, Ardenwood Farm

Townsend's Warbler (Setophaga townsendi)

all photographs Copyright © Douglas Herr
last updated 22 June 2025
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