adult in breeding plumage (California, USA; 2010-04-30)


Clark's Grebe
Aechmophorus clarkii

Native Range: North America and Middle America

Notes: hybridizes with Western Grebe and formerly was thought to be conspecific with it; differentiated from Western Grebe by white (rather than dark) around the eye and orange-yellow (rather than greenish-yellow) bill; downy young are white;


showing black stripe up back of neck (California, USA; 2010-04-30)

trying to look threatening (California, USA; 2010-04-30)
adult in nonbreeding condition (California, USA; 2007-02-11) showing breadth of gape (California, USA; 2007-05-13)
adult in nonbreeding condition (California, USA; 2007-02-11) adult in nonbreeding condition (California, USA; 2006-12-24)
with Western Grebe on left (California, USA; 2007-02-11)