Great Backyard Bird Count
Home Submit your bird checklist Explore the results

2005 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 1,836       11      
Canada Goose 3       1      
Eurasian Wigeon 2       2      
American Wigeon 143       4      
Mallard 13       5      
Blue-winged Teal 70       5      
Cinnamon Teal 16       3      
Northern Shoveler 45       3      
Northern Pintail 27       7      
Green-winged Teal 286       13      
Greater Scaup 25       1      
Lesser Scaup 464       7      
Surf Scoter 25       1      
White-winged Scoter 1       1      
Bufflehead 150       12      
Red-breasted Merganser 7       4      
Ruddy Duck 369       7      
California Quail 183       8      
Pacific Loon 1       1      
Common Loon 3       2      
Pied-billed Grebe 5       3      
Horned Grebe 2       2      
Eared Grebe 6       3      
Western Grebe 44       3      
Clark's Grebe 1       1      
Brandt's Cormorant 35       2      
Double-crested Cormorant 221       4      
Pelagic Cormorant 70       2      
American White Pelican 2       1      
Brown Pelican 1       1      
Great Blue Heron 3       3      
Great Egret 13       10      
Snowy Egret 97       8      
Green Heron 1       1      
Black-crowned Night-Heron 1       1      
Turkey Vulture 65       16      
Osprey 1       1      
White-tailed Kite 1       1      
Northern Harrier 10       10      
Sharp-shinned Hawk 1       1      
Cooper's Hawk 5       5      
Red-shouldered Hawk 7       7      
Red-tailed Hawk 16       11      
American Kestrel 7       7      
Merlin 2       2      
Peregrine Falcon 1       1      
Virginia Rail 1       1      
Sora 2       2      
American Coot 498       9      
Black-bellied Plover 3       3      
Killdeer 23       8      
Black Oystercatcher 10       2      
American Avocet 839       8      
Spotted Sandpiper 1       1      
Greater Yellowlegs 6       4      
Willet 847       18      
Lesser Yellowlegs 1       1      
Whimbrel 71       2      
Long-billed Curlew 140       11      
Marbled Godwit 1,246       14      
Black Turnstone 5       1      
Sanderling 360       3      
Western Sandpiper 975       7      
Least Sandpiper 425       3      
Dunlin 3       1      
Long-billed Dowitcher 1       1      
Heermann's Gull 30       2      
Mew Gull 4       1      
Ring-billed Gull 97       5      
Western Gull 199       20      
California Gull 50       12      
Herring Gull 2       1      
Glaucous-winged Gull 10       5      
Caspian Tern 7       3      
Forster's Tern 1       1      
Rock Pigeon 31       3      
Band-tailed Pigeon 7       1      
Eurasian Collared-Dove 50       7      
Mourning Dove 136       24      
Barn Owl 2       1      
Great Horned Owl 6       4      
Short-eared Owl 1       1      
Anna's Hummingbird 55       28      
Rufous Hummingbird 5       3      
Belted Kingfisher 2       2      
Red-breasted Sapsucker 1       1      
Nuttall's Woodpecker 1       1      
Downy Woodpecker 1       1      
Hairy Woodpecker 2       2      
Northern Flicker 27       13      
Black Phoebe 15       15      
Say's Phoebe 7       6      
Cassin's Kingbird 1       1      
Loggerhead Shrike 1       1      
Hutton's Vireo 1       1      
Steller's Jay 1       1      
Western Scrub-Jay 70       33      
American Crow 395       19      
Tree Swallow 2       2      
Chestnut-backed Chickadee 37       8      
Oak Titmouse 4       4      
Bushtit 60       11      
Canyon Wren 1       1      
Bewick's Wren 27       15      
Pacific Wren 1       1      
Marsh Wren 1       1      
Blue-gray Gnatcatcher 3       3      
Ruby-crowned Kinglet 42       14      
Wrentit 51       10      
Western Bluebird 12       1      
Hermit Thrush 1       1      
American Robin 7       3      
Northern Mockingbird 13       10      
California Thrasher 22       11      
European Starling 70       9      
American Pipit 1       1      
Cedar Waxwing 38       2      
Orange-crowned Warbler 4       3      
Nashville Warbler 1       1      
Common Yellowthroat 5       2      
Yellow-rumped Warbler 218       13      
Townsend's Warbler 2       2      
Spotted Towhee 28       16      
California Towhee 74       22      
Sage Sparrow 3       2      
Savannah Sparrow 17       4      
Fox Sparrow 2       2      
Song Sparrow 33       10      
Lincoln's Sparrow 1       1      
White-crowned Sparrow 147       26      
Golden-crowned Sparrow 20       5      
Dark-eyed Junco 34       4      
Red-winged Blackbird 389       12      
Tricolored Blackbird 1       1      
Western Meadowlark 10       2      
Brewer's Blackbird 662       17      
Brown-headed Cowbird 2       1      
Purple Finch 13       2      
House Finch 101       18      
Lesser Goldfinch 9       3      
American Goldfinch 113       10      
House Sparrow 31       5      
Total 13,275             

A total of 142 species were reported.

See a summary for California.

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