eurasian sparrowhawk or accipiter nisus in hand in fringilla field ornithological station. in the curonian spit national park. .

wildlife eurasian sparrowhawk accipiter nisus hand wild station fringilla bird curonian russia ornithology kaliningrad spit nature catching field classification center park travel autumn reserve europe fly monitoring migration forest environment natural animal biological rybachiy hawk hunting closeup beak sparrow brown ornithological station national park region