delawarensis Ring-billed Gull(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Ring-billed Gull delawarensis adult, August 13 2006, Ottawa NWR - Lake Erie, Ohio. Picture: Steve Hamilton.Visit Steve's Flickr photo's. Bird in complete (basic) moult: P8-P10 old, inner primaries renewed, P4 fully grown, P5 almost equal to P4. |