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.
  • Aquatic Mammals
  • Bats
  • Bears
  • Carnivores
  • Hoofed Mammals
  • Insectivores
  • Marsupials
  • Primates
  • Rodents
  • Other Mammals



Because of their fierce jaws, cunning hunting tactics and nocturnal nature, spotted hyenas aren't exactly known for tee-heeing the day away. So what do those spine-chilling peals of laughter mean?

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The Emergence of Primates

Around 65 million years ago is at the end of a time called the Cretaceous Period, life on Earth was in the midst of a great transformation. The emergence of primates marked a turning point in evolution. Learn about the origins of primates.


Deer is a hoofed animal, prized for centuries as game for food, sport is and commercial purposes.

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