Siberian Common Tern

Siberian Common Tern Sterna hirundo minussensis Sushkin (Central and southern Siberia) 1CY in first winter plumage found on 17th September 2010 in Stellendam,for the first time in The Netherlands. For comparison a Common Tern Sterna h.hirundo still in juvenal plumage on the same day.

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2018/04/Siberian-Common-Tern-Sterna-hirundo-minussensis-1CY-17092010-1710a-HaringvlietsluizenThe-Netherlands-c-Norman-Deans-van-Swelm-kopie.jpg

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2018/04/Common-Tern-Sterna-hirundo-1CY-17092010-1684-HaringvlietsluizenThe-Netherlands-c-Norman-Deans-van-Swelm.jpg