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2010 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 150       1      
American Wigeon 7       1      
Mallard 2       1      
Blue-winged Teal 10       2      
Cinnamon Teal 2       1      
Green-winged Teal 14       2      
Greater Scaup 2       1      
Lesser Scaup 38       2      
Bufflehead 25       1      
Ruddy Duck 20       1      
Common Loon 2       1      
Western Grebe 6       2      
Double-crested Cormorant 50       1      
Pelagic Cormorant 55       1      
American White Pelican 19       2      
Brown Pelican 8       2      
Great Blue Heron 3       3      
Great Egret 7       3      
Snowy Egret 15       5      
Black-crowned Night-Heron 2       1      
Turkey Vulture 11       3      
Osprey 1       1      
Red-shouldered Hawk 1       1      
Red-tailed Hawk 5       2      
American Kestrel 1       1      
American Coot 2       1      
Black-bellied Plover 75       1      
Black Oystercatcher 14       2      
American Avocet 255       2      
Spotted Sandpiper 2       1      
Greater Yellowlegs 4       1      
Willet 30       1      
Marbled Godwit 21       2      
Least Sandpiper 25       1      
Dunlin 15       1      
Ring-billed Gull 5       1      
Western Gull 9       2      
Black Skimmer 1       1      
Eurasian Collared-Dove 2       1      
Mourning Dove 6       1      
Anna's Hummingbird 3       1      
Belted Kingfisher 1       1      
Black Phoebe 4       3      
Western Scrub-Jay 4       2      
Bushtit 6       2      
Bewick's Wren 1       1      
House Wren 1       1      
Marsh Wren 5       1      
Northern Mockingbird 1       1      
Cedar Waxwing 15       1      
Yellow-rumped Warbler 1       1      
Song Sparrow 3       2      
White-crowned Sparrow 10       2      
Red-winged Blackbird 23       2      
Brewer's Blackbird 6       1      
House Finch 10       2      
Lesser Goldfinch 3       1      
Total 1,019             

A total of 57 species were reported.

See a summary for California.

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