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), September 17 2018, Pismo Beach, California USA. Picture: Alex Abela.See Alex's Flickr site for many more images, illustrating the plumage development in this species! Juvenile feathers already heavily worn. Obvious moult in scaps but also note 2nd gen dark feathers growing in at ear coverts and side of breast. |