How many species of mammals are there?

Wild mammals make up only a few percent of the world's mammals mammals We're bringing you a first look at the brand new BBC Earth series: Mammals Found on every mammals Mammals include humans and all other animals that are warm-blooded vertebrates with hair They feed their young with milk and

mammals Mammals are a group of vertebrate animals Examples of mammals include rats, cats, dogs, deer, monkeys, apes, bats, whales, dolphins, and humans Figure