Heermann's Gull heermannii(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Heermann's Gull heermannii adult, January 08 2017, Pismo Beach, California USA. Picture: Alex Abela.See Alex's Flickr site for many more images, illustrating the plumage development in this species. Unmistakable. Background bird: individual with some grey markings (not brownish) on head. |