Calling Eurasian eagle-owl (Bubo bubo) in a birch tree, Sauerland, Germany, Europe

animals in the wild animal sounds animal sound animals animal aves betulaceae betula birches birch tree birch bird photography birds bird bubo bubo calling call central europe deciduous trees deciduous tree deserted eagle owl empty eurasian eagle owls eurasian eagle owl european eagle owl europe fauna german federal republic germany habitat middle europe natural environments natural environment natural habitat nature nobody no one no people nordrhein westfalen north rhine westphalia nrw owls owl plants plant sauerland shout strigidae strigiformes trees tree uninhabited wild animals wild animal wildlife photography wildlife