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2007 Results: Castro Valley, California

This town report includes all data submitted to the town and to all postal codes associated with the town.

Other years: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012


Species [taxonomic]
[alphabetic]
Number of Birds   Number of Checklists
Reporting the Species
Cackling Goose 34       4      
Canada Goose 61       4      
Mallard 34       7      
Ruddy Duck 27       2      
California Quail 7       2      
Wild Turkey 1       1      
Pied-billed Grebe 2       1      
Eared Grebe 3       1      
Double-crested Cormorant 18       3      
Great Blue Heron 4       3      
Great Egret 11       2      
Snowy Egret 2       1      
Turkey Vulture 21       7      
White-tailed Kite 14       5      
Northern Harrier 1       1      
Red-shouldered Hawk 1       1      
Red-tailed Hawk 12       9      
American Kestrel 1       1      
American Coot 16       3      
Killdeer 2       1      
California Gull 3       2      
Herring Gull 2       1      
Rock Pigeon 7       2      
Mourning Dove 40       16      
Anna's Hummingbird 21       13      
Rufous Hummingbird 2       2      
Allen's Hummingbird 2       2      
Nuttall's Woodpecker 4       4      
Downy Woodpecker 1       1      
Northern Flicker 2       2      
Black Phoebe 2       2      
Hutton's Vireo 1       1      
Steller's Jay 18       7      
Western Scrub-Jay 24       11      
American Crow 17       7      
Common Raven 6       5      
Tree Swallow 3       1      
Chestnut-backed Chickadee 29       14      
Oak Titmouse 6       4      
Bushtit 92       4      
Red-breasted Nuthatch 9       4      
Bewick's Wren 5       3      
Ruby-crowned Kinglet 2       2      
Wrentit 3       1      
Hermit Thrush 4       4      
American Robin 75       17      
Northern Mockingbird 7       3      
European Starling 5       3      
Cedar Waxwing 9       2      
Yellow-rumped Warbler 4       2      
Spotted Towhee 13       6      
California Towhee 30       13      
Fox Sparrow 1       1      
Song Sparrow 6       2      
Lincoln's Sparrow 16       2      
White-throated Sparrow 3       1      
White-crowned Sparrow 23       7      
Golden-crowned Sparrow 46       9      
Dark-eyed Junco 37       8      
Red-winged Blackbird 3       1      
Purple Finch 27       4      
House Finch 51       8      
Lesser Goldfinch 61       11      
American Goldfinch 82       7      
House Sparrow 23       5      
Total 1,099             

A total of 65 species were reported.

See a summary for California.

This report was updated 15-Jan-2013 09:05 ET.