1CY Lesser black-backed Gull Green YCKN – plumage development 2017

Plumage development in young Dutch Lesser Black-backed Gull Green YCKN, 1 week apart.

IJmuiden Forteiland gull colony, the Netherlands. 2017.

YCKN-26-June-2017-IJmuiden-Maarten-van-Kleinwee-1

YCKN-26-June-2017-IJmuiden-Maarten-van-Kleinwee-2

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