9-12-2017
Slaty-backed Gull, Larus schistisagus
1 subad.
Jez.Kierskie, Poznań, woj.wielkopolskie
obs./info: Roman Brewka, Jarosław Stępień
Still present only in the late afternoon (Yacht Club Wielkopolski plaform).
Still present only in the late afternoon (Yacht Club Wielkopolski plaform).