adult in breeding plumage; white head (California, USA; 2007-01-20)


Heermann's Gull
Larus heermanni

Native Range: North America and Middle America

Notes: exclusively coastal; a distinctive mostly dark gull that often chases other seabirds and steals their food.

adult in breeding plumage; red bill, black tip (California, USA; 2007-01-20)
with Ring-billed Gull and Western Gull (California, USA; 2005-12-31)

adult; dark mantle, white rump, black on tail (California, USA; 2008-02-18)
transitioning into breeding plumage (California, USA; 2008-01-26)
juvenile, with brownish plumage and paler bill (California, USA; 2007-01-20) juvenile (California, USA; 2009-09-19)
adult in nonbreeding lumage (California, USA; 2007-09-22) adult in nonbreeding lumage (California, USA; 2006-11-19)
adult in nonbreeding lumage (California, USA; 2006-11-19) group in nonbreeding lumage (California, USA; 2005-12-21)
transitioning into breeding plumage (California, USA; 2011-09-11) posing for portrait (California, USA; 2009-09-19)
juvenile in flight (California, USA; 2011-01-19) juvenile resting (California, USA; 2011-01-19)