Study: Monkeys hate flying squirrels.

Finally - we have discovered a new way to enrage monkeys! Thanks, scientists! From Christian Science Monitor:

Japanese macaques will completely flip out when presented with flying squirrels, a new study in monkey-antagonism has found. The research could pave the way for advanced methods of enraging monkeys.

Researchers have observed small monkeys called Japanese macaques going bananas at the sight of a flying squirrel.

This riled-up response is probably just a false alarm, with the monkeys mistaking the squirrel for a predatory bird.

[...] When Japanese giant flying squirrels glided over to a tree in the monkeys' vicinity, adults and adolescent macaques started hollering at it threateningly, the researchers report. Young macaques screamed and mothers scooped up their infants, while adults and high-ranking males in particular went and physically harassed the offending squirrel.