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2011 Results: Los Osos, 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
Brant 193       2      
Canada Goose 5       1      
American Wigeon 10       1      
Mallard 2       1      
Blue-winged Teal 69       2      
Cinnamon Teal 8       2      
Northern Shoveler 3       1      
Bufflehead 45       3      
Ruddy Duck 217       3      
California Quail 1       1      
Pied-billed Grebe 1       1      
Eared Grebe 1       1      
Western Grebe 6       2      
Double-crested Cormorant 1       1      
Great Blue Heron 2       2      
Great Egret 2       1      
Snowy Egret 27       2      
Turkey Vulture 36       5      
Osprey 1       1      
Cooper's Hawk 3       2      
Red-shouldered Hawk 8       4      
Red-tailed Hawk 4       2      
Golden Eagle 1       1      
Peregrine Falcon 2       2      
American Coot 16       2      
American Avocet 30       2      
Western Gull 45       3      
Caspian Tern 2       2      
Eurasian Collared-Dove 10       2      
Mourning Dove 5       3      
Anna's Hummingbird 4       4      
Northern Flicker 5       2      
Black Phoebe 2       1      
Western Scrub-Jay 9       5      
American Crow 71       5      
Chestnut-backed Chickadee 3       1      
Oak Titmouse 2       1      
Bushtit 7       1      
Northern Mockingbird 6       3      
European Starling 10       1      
Yellow-rumped Warbler 1       1      
Spotted Towhee 2       1      
California Towhee 3       2      
Fox Sparrow 1       1      
White-crowned Sparrow 43       4      
Golden-crowned Sparrow 1       1      
Red-winged Blackbird 12       1      
Brewer's Blackbird 5       1      
House Finch 9       4      
Lesser Goldfinch 32       3      
House Sparrow 8       1      
Total 992             

A total of 51 species were reported.

See a summary for California.

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