Ruffed lemurs are famous for their loud, deep calls; early explorers of Madagascar thought they were hearing the groans of the dead!
Enez grooms little Zeppelin on their rocky island home.
Also known as Japanese macaques, snow monkeys are adaptable creatures with a penchant for water.
Sloths are nocturnal and spend almost all their time hanging upside-down from tree branches. They maintain their grip with three-inch sharp claws that dig into tree bark.
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