nonbreeding adult; no sexual dimorphism (California, USA; 2007-01-20)
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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.
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nonbreeding plumage; streaks on head, nape (California, USA; 2006-11-19)
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ring around bill, yellowish legs (California, USA; 2007-12-20)
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ring on bill also visible in flight (California, USA; 2007-12-24)
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first-winter plumage; two-tone bill, gray back (California, USA; 2007-12-20)
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adult; black on wing-tip, gray mantle (California, USA; 2007-02-24)
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first-summer juvenile; brownish tinges (California, USA; 2006-08-26)
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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) |
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