Mammals are the second land generator and tenth generator in all. Mammals are any warmblooded amniote tetrapods belonging in the class Mammalia and the only extant group in the clade Sypapsida. They are distinguished by being warmblooded, having mammary glands, and fur. Mammals include the monotremes (egg-laying mammals), and the therians (marsupials and placental mammals, including humans).
The first vertebrates with warm blood, mammals unique new features enable them to prosper on the environment on land.
The Mammal generator resembles a brown rabbit, and because of its tail tuft, it is very likely a cottontail rabbit.