|
|
Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Ring-billed Gull delawarensis 1st cycle (1CY), October 09 2005, Eastham, MA. Picture: David Sibley.See David's site. Bird still in full juvenal plumage with no replaced 1st winter feathers, but this one is much paler brown. The bill has become pink at the base, but not yet with the sharply two-toned pattern of typical first-winter.
|
delawarensis Ring-billed Gull