# Animals exist in isolated places without any plausible motivation or means for getting there, such as on remote islands or more than 1200 feet high on top of the vertical cliffs of [[Devils Tower]]. Even humans (though large and intelligent) were unable to ascend the peak until 1893, and required specialized climbing equipment. | # Animals exist in isolated places without any plausible motivation or means for getting there, such as on remote islands or more than 1200 feet high on top of the vertical cliffs of [[Devils Tower]]. Even humans (though large and intelligent) were unable to ascend the peak until 1893, and required specialized climbing equipment. |