How many species of mammals are there?

mammals and birds are greatly affected , and even some are mainly controlled , in their range by the presence or absence of forests , the distribution of

A mammal is a vertebrate animal of the class Mammalia Mammals are characterized by the presence of milk-producing mammary glands

mammals Mammal Pictures & Facts Mammals are among the most adaptable animals on the planet They are found on every continent and in every ocean, and range in size

mammals A mammal is an animal that breathes air, has a backbone, and grows hair at some point during its life In addition, all female mammals have glands that can