Gray Wolf - Pictures, Facts, and Map

What’s That Black Spot on their Tail? Ever noticed that little black oval on the back of a wolf’s tail? That’s the caudal gland (also called the “violet gland”). It’s a small scent gland about a third of the way down from the base of the tail. It produces a subtle, musky scent that wolves use to communicate with one another. When a wolf raises or wags its tail, the scent disperses — leaving an invisible “signature” for others to recognize. It’s one of nature’s clever ways of helping them mark tr

Red Wolves in Chattanooga | Learn about these endangered animals and support their survival. — Reflection Riding | Chattanooga nature center, native plant nursery & historic open space