Wikimedi'Òc

Vermivora celata 6.jpg - Mrmariokartguy

Audubon's Warbler Setophaga auduboni.jpg - Jsayre64

Junco hyemalis-Oreganus group-1.jpg - EugeneZelenko

Sparrow collecting nesting materials -California-8.jpg - Flickr upload bot

Petrochelidon pyrrhonota -flight -Palo Alto Baylands-8.jpg - Flickr upload bot

Petrochelidon pyrrhonota -Baylands Nature Preserve, California, USA -making mud nest-8.jpg - File Upload Bot (Magnus Manske)

Thryomanes bewickii -Santa Teresa County Park, San Jose, California, USA-8.jpg - File Upload Bot (Magnus Manske)

Tachycineta bicolor -Santa Teresa County Park, San Jose, California, USA-8a.jpg - File Upload Bot (Magnus Manske)

Carpodacus mexicanus -Alviso Marina County Park, California, USA-8.jpg - File Upload Bot (Magnus Manske)

Western Bluebirds (Sialia mexicana) at Arastradero Preserve 2011-08-21.jpg - Schmiebel

Mimus polyglottos -Stanford, California, USA-8.jpg - File Upload Bot (Magnus Manske)

Junco hyemalis Oregon group - Dark-eyed Junco - XC110975.ogg - Fæ

Zonotrichia atricapilla (Palo Alto, 2008).jpg - Yathin sk

Sayornis nigricans (San Jose, 2007).jpg - Yathin sk

Blue-gray Gnatcatcher CA.jpg - Erikwlyon

Petrochelidon pyrrhonota colony.JPG - Commuted

American cliff swallow nest.JPG - Commuted

Lanius ludovicianus, Palo Alto Baylands 1.jpg - MPF

Common Bushtit, Shoreline Lake, Palo Alto, California.jpg - MPF

Song Sparrow (4631274301).jpg - Rudolphous

Lesser Goldfinch (western variety) (4631275063).jpg - Rudolphous

Barn swallow (26190360676).jpg - Rudolphous

European starling (26216280085).jpg - Rudolphous

Barn swallow (25943407080).jpg - Rudolphous

American crow (25943401410).jpg - Rudolphous

Bushtit (25616218843).jpg - Rudolphous

Bushtit (25614115874).jpg - Rudolphous

Bushtit (26192956676).jpg - Rudolphous

Oak titmouse (25616208903).jpg - Rudolphous

Oak titmouse (25614088914).jpg - Rudolphous

Western scrub-jay (26152682231).jpg - Rudolphous

Dark-eyed junco (26390574916).jpg - Rudolphous

Tree swallow (26390555966).jpg - Rudolphous

White-breasted nuthatch (26324145782).jpg - Rudolphous

Chestnut-backed chickadee (25813706223).jpg - Rudolphous

Northern rough-winged swallow (26369085181).jpg - Rudolphous

Northern rough-winged swallow (26162421560).jpg - Rudolphous

Northern rough-winged swallow (25832444243).jpg - Rudolphous

Northern rough-winged swallow (26409328066).jpg - Rudolphous

Audubon's warbler (26342960682).jpg - Rudolphous

Audubon's warbler (26409360366).jpg - Rudolphous

Zonotrichia leucophrys (5443461976).jpg - Rudolphous

Black Phoebe in the Rain.jpg - Whackamadoodle3000

Spotted Towhee Sitting.jpg - Whackamadoodle3000