Contra Costa County, CA
 Breeding Bird Atlas

Updated to include final 1998-2002 Data

The Contra Costa County breeding bird atlas has been completed. Below is an index map of the county with its atlas blocks. Each block is referred to by its coordinates, such as 625-215 for the block in the northeast corner of the map. The breeding status of each species in the county is included below the map.

Contra Costa County map

Contra Costa County map generated by the really cool Tiger Map Server

For information about the Contra Costa County Breeding Bird Atlas, contact Steve Glover
If you have comments, suggestions, etc. for this web site, contact Joel Herr

Click on a species to see its breeding status in each of the county’s blocks.    The breeding occurrence of 164 species is shown here, 144 of which were confirmed breeding in Contra Costa County. The display for each species is provided in part by BBA List software.  For information about birds in Contra Costa County all year, refer to the Contra Costa County checklist or Steve Glover’s Guide to Finding Birds in Contra Costa County.

Water Birds

Pied-billed Grebe

Western Grebe

Clark’s Grebe

Double-crested Cormorant

Pelagic Cormorant

American Bittern

Black-crowned Night-Heron

Green Heron

Snowy Egret

Great Egret

Great Blue Heron

Canada Goose



Green-winged Teal

Blue-winged Teal

Cinnamon Teal

Northern Shoveler

Northern Pintail

Ruddy Duck

Wood Duck

Common Merganser



Vultures and Raptors

Turkey Vulture

Golden Eagle

White-tailed Kite

Northern Harrier

Sharp-shinned Hawk

Cooper’s Hawk

Red-shouldered Hawk

Red-tailed Hawk

Swainson’s Hawk


American Kestrel

Prairie Falcon

Peregrine Falcon



Grouse and Quail

Ring-necked Pheasant

Wild Turkey

California Quail

Rails and Coots

Clapper Rail

Virginia Rail


Black Rail

Common Moorhen

American Coot

Shorebirds, Gulls and Terns

Black Oystercatcher

American Avocet

Black-necked Stilt


Spotted Sandpiper

Western Gull

California Gull

Forster’s Tern

Least Tern

Caspian Tern



Pigeons and Doves

Band-tailed Pigeon

Rock Pigeon

Mourning Dove

Owls and Nightjars

Barn Owl

Short-eared Owl

Long-eared Owl

Great Horned Owl

Western Screech-Owl

Northern Pygmy-Owl

Northern Saw-whet Owl

Burrowing Owl

Lesser Nighthawk

Common Poorwill



Swifts and Hummingbirds

White-throated Swift

Black-chinned Hummingbird

Anna’s Hummingbird

Allen’s Hummingbird



Kingfishers and Woodpeckers

Belted Kingfisher

Acorn Woodpecker

Northern Flicker

Downy Woodpecker

Hairy Woodpecker

Nuttall’s Woodpecker

Pileated Woodpecker




Olive-sided Flycatcher

Western Wood-Pewee

Say’s Phoebe

Black Phoebe

Pacific-slope Flycatcher

Ash-throated Flycatcher

Western Kingbird



Shrikes and Vireos

Loggerhead Shrike

Cassin’s Vireo

Hutton’s Vireo

Warbling Vireo



Jays, Crows, etc.

Western Scrub-Jay

Steller’s Jay

Yellow-billed Magpie

American Crow

Common Raven


Larks and Swallows

Horned Lark

Tree Swallow

Violet-green Swallow

No. Rough-winged Swallow

Cliff Swallow

Barn Swallow

Titmice, Bushtit, Nuthatches and Creepers

Oak Titmouse

Chestnut-backed Chickadee


White-breasted Nuthatch

Red-breasted Nuthatch

Pygmy Nuthatch

Brown Creeper




Winter Wren

House Wren

Bewick’s Wren

Marsh Wren

Canyon Wren

Rock Wren

Gnatcatchers, Thrushes, and Wrentit

Blue-gray Gnatcatcher

Western Bluebird

American Robin

Swainson’s Thrush

Hermit Thrush


Thrashers, Starlings, and Phainopepla

Northern Mockingbird

California Thrasher

European Starling

Cedar Waxwing



Warblers, Grosbeaks, and Buntings

Orange-crowned Warbler

Black-throated Gray Warbler

Yellow Warbler

MacGillivray’s Warbler

Wilson’s Warbler

Common Yellowthroat

Yellow-breasted Chat

Black-headed Grosbeak

Blue Grosbeak

Indigo Bunting

Lazuli Bunting



Spotted Towhee

California Towhee

Rufous-crowned Sparrow

Chipping Sparrow

Black-chinned Sparrow

Lark Sparrow

Sage Sparrow

Song Sparrow

Savannah Sparrow

Grasshopper Sparrow

White-crowned Sparrow

Dark-eyed Junco

Blackbirds and Orioles

Western Meadowlark

Great-tailed Grackle

Yellow-headed Blackbird

Red-winged Blackbird

Tricolored Blackbird

Brewer’s Blackbird

Brown-headed Cowbird

Bullock’s Oriole

Hooded Oriole

Tanager, Finches and House Sparrow

Western Tanager

Pine Siskin

American Goldfinch

Lesser Goldfinch

Lawrence’s Goldfinch

House Finch

Purple Finch

House Sparrow


Web space is provided by the Flying Emu Birding Pages of Alamo, CA