Howler Monkey, a New World monkey. There are six species. Howler monkeys are the largest of the New World monkeys; they are about three feet (90 cm) long, including the prehensile (grasping) tail.
WHAT'S INSIDE: 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.
- Aquatic Mammals
- Bats
- Bears
- Carnivores
- Hoofed Mammals
- Insectivores
- Marsupials
- Primates
- Rodents
- Other Mammals
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Rodents
Nearly 40% of mammal species are rodents, and they are found on every continent except Antarctica. Rodents include mice, rats, squirrels, chipmunks and beavers, among others.
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FEATURED: MAMMALS
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Meet the Top 100 Dog Breeds
What makes these breeds so special? Take a fun and expert look. Then find out which breed is best for you.
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The raccoon is a small furry animal that appears in many of the folk tales of the southern United States. Take this quiz and see what's behind the black mask of this cunning creature.
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Primatologists have been studying ape culture and conservation for more than 30 years, and still have much to learn about our "cousins." Much laboratory research is done on chimpanzees, because their DNA is nearly identical to that of humans. Take this quiz to learn more about ape culture and conservation.
