wilderness Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Common crane, Grus grus, in Biebrza national park, Poland Roe deer, Capreolus capreolus in Biebrza national park, Poland Roe deer, Capreolus capreolus in Biebrza national park, Poland Grey heron, Ardea cinerea, in Lake Skadar in Montenegro, Balkans. Grey heron, Ardea cinerea, in Lake Skadar in Montenegro, Balkans. The squacco heron Ardeola ralloides, in Lake Skadar, Monte negro. Grey heron, Ardea cinerea, in Lake Skadar in Montenegro, Balkans.
