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 sub-adult?, June 28 2016, Pacific Grove, California USA. Picture: John Cant.Old brown wing-covert panel contrasts with grey scapular region. Note white line below GC - white-tipped secondaries and broad white-tipped rectrices (still to be replaced). |