nonbreeding adult; no sexual dimorphism (California, USA; 2007-01-20)

Ring-billed Gull
Larus delawarensis

Native Range: North America and Middle America

Notes: an extremely common gull not only around coastines but also in urban areas even far from the ocean.

nonbreeding plumage; streaks on head, nape (California, USA; 2006-11-19)
ring around bill, yellowish legs (California, USA; 2007-12-20)

ring on bill also visible in flight (California, USA; 2007-12-24)

first-winter plumage; two-tone bill, gray back (California, USA; 2007-12-20)

adult; black on wing-tip, gray mantle (California, USA; 2007-02-24)

first-summer juvenile; brownish tinges (California, USA; 2006-08-26)

flock in first-winter plumage (Florida, USA; 2002-01-12)

looking for a handout (Florida, USA; 2002-01-12)
subadult plumage (California, USA; 2007-02-17)
subadult in flight (California, USA; 2009-09-04)

posing for portrait; black ring on yellow bill (California, USA; 2006-01-28)