Add Yahoo as a preferred source to see more of our stories on Google. Lemurs have a “built-in” toothcomb that helps the animal groom themselves and each other. Their secondary tongue, or “sublingua,” ...

Have you ever gone to the zoo and observed the monkeys picking each other? This is a well-documented, long-studied, instinctive behavior in primates (monkeys, apes, etc.) called the grooming response.

This video explores a troop of Gelada monkeys in the Simien Mountains of Ethiopia, one of the most socially complex primate ...

Lemurs are known for their social grooming, but their best grooming tool is their tongue. Below their main tongue lies the sublingua—a stiff, secondary “tongue” used specifically to clean their ...