delawarensis Ring-billed Gull(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Ring-billed Gull delawarensis 1st cycle (2CY), January 10 2013, Florida, US. Picture: Christine Dodding.Pink base of bill. Chequered pattern on greater coverts. Side of breast and flanks not clean, but chevron (arrow-head pattern) pattern on flanks. |