Heermann's Gull heermannii(last update:
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Coordinators: 1cy June 2cy Jan 3cy Jan adult Jan |
Heermann's Gull heermannii PB2 moult (2CY), July 12 2018, Pismo Beach, California USA. Picture: Alex Abela.See Alex's Flickr site for many more images, illustrating the plumage development in this species! P9_P10 old juvenile, P6-P8 dropped and new primaries growing. |