Heermann's Gull heermannii(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Heermann's Gull heermannii 1st cycle (1CY), October 06 2018, San Luis Obispo, California USA. Picture: Alex Abela.See Alex's Flickr site for many more images, illustrating the plumage development in this species! Scaps and underparts replaced. Several inner wing coverts and the upper tertials replaced for 2nd gen as well. |