This ring-billed gull, Larus delawarensis, is in breeding plumage; the bird's head and breast are snowy white. I took the picture on the East River in Brooklyn last week. Can spring be far behind? |
This is an adult ring-bill in non-breeding plumage, taken a few months ago in the same place. Its head and neck are faintly streaked with grayish brown. |
Check out the red eye ring and red at the corner of the mouth on the breeding adult. Click to enlarge. |
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