Spot the differences between chipmunks and ground squirrels with tips on their looks, tunnels, and winter habits.

Christian Cotroneo is the social media editor at Treehugger. He is a founding editor at HuffPost Canada, and former writer at The Dodo and Toronto Star. At first glance, it's easy to mistake a ...

Andrea Wishart has received funding from the Northern Scientific Training Program, American Society of Mammalogists, and Sigma Xi. Long-term research for the Kluane Red Squirrel Project has received ...

An animal is said to sploot when it lies flat to the ground or the floor or some other surface with its four legs spread wide. You may have seen it in your dog or cat. But now, across the U.S., people ...