bald bald tree bare bare branched bendy branch branches early look through naked sky spring sprouting tree autumn bare branches directional empty extensive fall large skeletal spreading tangled tree top turned twisted windswept crown dead death end mortality oak Quercus blue claw-like pale blue abundant approaching storm bare tree birds black clouds dark evening fauna flock ibis ibises perched perching resting silhouettes storm storm-clouds tree-tops bare branch brown end of summer leaf leave single Australian raven blue black carrion eaters corvids corvus coronoides crow garbage collectors lone loud mournful omnivorous predators raven scavengers shiny black