What are the Squirrels in Your Yard Saying?

Kuks, quaas, moans, and tail twitches and flags: these are the elements of the eastern gray squirrel's alarm system. You've probably heard or seen some of them before. But squirrels can use combinations of vocalizations and tail movements to adjust their meaning depending on the type of predator lurking about.Read my latest Zoologic post: Squirrel Alarm Calls Are Surprisingly Complex.