Beautiful nature photograph of back of head of European bison (Bison bonasus), Armenis, Caras-Severin, Romania

animal head animals in the wild animal themes animal wildlife armenis bison bison bonasus caras severin carpathians mountains close up day endangered species european bison focus on foreground fur horizontal horned horns mammal nature no people one animal outdoors rear view rewilding europe romania simplicity snow softness species reintroduction wild animal winter