whooper swan, cygnus cygnus, birds in the nature habitat, lake kusharo, winter scene with snow and ice in the lake, foggy mountain

and animal background beak beautiful beauty bill bird birds black blue cold country cygnus dark detail eye field flock fog foggy gray group habitat hokkaido horizon ice japan kusharo lake landscape mountain nature neck portrait profile scandinavia scene scenery scenic sky snow spring swan sweden view water wetland white whooper wild wilderness wildlife wing winter yellow