A Black Vulture perches on a limb of a black walnut tree

black vulture carrion feeder american black vulture new world vulture vulture eastern black walnut carrion black walnut tree black walnut bird avian vultures beak birds silhouette bare branches scavenger branches juglans nigra winter omen ominous plummage tree walnut flight death fly coragyps fall wings trees spooky coragyps atratus horror autumn