Heermann's Gull heermannii(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Heermann's Gull heermannii PB moult adult, June 28 2016, Pacific Grove, California USA. Picture: John Cant.Old brown wing-covert panel contrasts with grey scapular region. Adult white-tipped secondaries but white tips on rectrices largely worn away (still to be replaced). |