corvus frugilegus in the evening on top of a tree

animal beak big bird black branch calm caw clouds cloudy conifer contour corvidae corvus crow dark environment evening evil feathers foreboding frugilegus ghostly glow grey high large natural nature night observation ominous ornithology outdoor overcast photo raven rook sad shadow shot silhouette silhouettes sitting sky sunset symbol temporize top tree treetop waiting white wild wildlife wings zoom