adult male; black face mask, yellow throat (California, USA; 2007-05-20)

Common Yellowthroat
Geothlypis trichas

Native Range: North America and Middle America

Notes: an abundant warbler of fields and brushy habitats often near water; song a characteristic series of wichity wichity wichity wichity. Strong sexual dimorphism; a common host of brood parasitism by Brown-headed Cowbird.

white stripe above black face mask (California, USA; 2007-02-24)

singing male (California, USA; 2006-09-12)

juvenile, nonbreeding male (Colorado; 2009-09-02)

female; lighter yellow throat, no face mask (California, USA; 2006-05-07)
juvenile; drab gray-yellow all over (California, USA; 2007-03-18) hatchling fresh from nest (California, USA; 2009-07-04)
adult male in breeding plumage (California, USA; 2008-03-22) first-winter male, posing for portrait (California, USA; 2006-12-04)
first-autumn male, posing for portrait (Michigan, USA; 2012-08-24)