mountain goat descending black elk peak [formerly harney peak] in custer state park in the black hills of south dakota

accomplishment adult americanus animal animals beards black climb climbing cloven custer dakota dewclaws domain ecosystem edge endangered fauna fur furry goat harney higher hills hoof hoofs hooves horizontal horn horned horns inspirational inspired leap ledge long look looking mammal monolith mountain mountains nature oreamnos outdoors park peak persevere pinnacle posing reached rocky short south spire state top travel usa vacation vertical white wild wilderness wildlife wool descending elk black elk peak american west travel tourism