Mammals, Mammal Pictures, Facts About Mammals

Pictures: A Mother's Love

See Amazing Photos of Animal Mothers and Their Babies

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Mammal Features

Howling Mouse App

Meet the cutest, deadliest critter to have its own app!
Cause an Uproar

Big cats are quickly disappearing. Now is the time to act. Cause an uproar to save big cats today.
Big Cat Cub Pictures

The world’s top felines—including lions, tigers, cheetahs, and leopards—are slipping toward extinction. Browse this gallery of big cat cubs and learn more about the threats they face.
Endangered Animals Quiz

The loss of animal species is irreversible and potentially catastrophic, not to mention heartrendingly sad. Where do we stand? Face the facts with this quiz.
Chimp Pictures

Get better acquainted with our closest relatives in the animal kingdom.

Prehistoric "Panda" Found in Spain

A small fossil bear recently identified in Spain suggests China's giant panda has European roots, a new study says.
Runner's High Hardwired

The pleasurable sensation known as "runner's high" may have motivated human and canine ancestors to build endurance, a new study says.

How to Build a Dog

Scientists have found the secret recipe behind the spectacular variety of dog shapes and sizes, and it could help unravel the complexity of human genetic disease.
Dog DNA Photo Gallery

Scientists have found the secret recipe behind the spectacular variety of dog shapes and sizes, and it could help unravel the complexity of human genetic disease.