They have a very rare condition called rod monochromacy which means that they completely lack cone cells in their eyes. As a result all sloths are colour-blind, can only see poorly in dim light ...
Because of this cry these sloths are sometimes called ais (pronounced “eyes”). Three-toed sloths also have an advantage that few other mammals possess: They have extra neck vertebrae that ...
The Cheyenne Mountain Zoo has announced the arrival of a baby Hoffmann's two-toed sloth! The zoo says it has dark brown eyes ...
The Cheyenne Mountain Zoo (CMZoo) has announced a new arrival just in time for the new year: a baby Hoffman’s two-toed sloth ...