Mammals

Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.

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As much as human beings have encroached on wildlife over recent decades, there are still several species of big cats living wild in the U.S. today.

By Michelle Konstantinovsky