How can you tell a squirrel's emotions?
Ava Mcdaniel
Updated on March 13, 2026
Though fox squirrels chatter their teeth, they don't really make any facial expressions like we do to signal our sadness, anger or surprise. The way to tell what they're feeling, researchers have found, is to watch their tails. When a predator like a dog is around, a fox squirrel runs up a tree.