It's a type of mammal - and it got its name from the meaning of sloth (which is lazy). Is the Sloth lazy? It's not really lazy, but it's slow. Its slow movement allows it to save its energy, because it's not a very energetic creature. No, the Sloth is not a lazy animal. Even if Sloths somewhat resemble monkeys and are also tree dwellers, they are not related to monkeys. They are actually more closely related to anteaters - which look a lot different from them. Excited to learn more about Sloths? Get a copy of this book and discover more fascinating information about this animal.