Lemurs, lizards, whales — all are famed for their tails in some way ... ectotherms (cold-blooded animals) at the Dallas Zoo, told Live Science. For instance, long-tailed grass lizards ...

They don’t eat fish or other animals. How large they grow: Beavers are the second-largest living rodents after capybaras. They can grow up to 3.5 feet long nose to tail and weigh up to 60 pounds ...