Dogs are the canine companions who have shared our lives for millennia.

Prairie dogs possess strong family bonds and sophisticated language skills.

Ferrets are playful, curious carnivores who have become popular pets.

Pigs are gentle creatures with surprising intelligence.

Named for their stubby tails, bobcats are so elusive that you’d be lucky to catch a glimpse of one in your lifetime.

Whether you call them mountain lions or cougars, they’re one of the most adaptable big cats in the Western Hemisphere.

While folktales portray them as sly tricksters, red foxes deserve our respect for their intelligence and adaptability.

Misunderstood skunks are gentle, near-sighted animals with one infamous—and pungent—defense mechanism.

Cats bring joy and companionship to millions of people. Here's how you can take care of them.

American alligators are large aquatic reptiles with strong jaws, armor-like bodies and muscular tails.

Bears are powerful, majestic animals who face numerous threats.

Chimpanzees are wild, complex animals who live in family groups and form lifelong bonds.

Coyotes deserve lives free from persecution.

Sensitive, intelligent elephants are the world’s largest land mammal (by weight) and a living link to long-extinct species like the woolly mammoth.

Guinea pigs are gentle, curious pets.

Horses are strong and resilient.

Large-eyed, long-tailed lemurs are complex primates who belong exclusively in Madagascar.

Monkeys are agile, intelligent primates—some of the closest animal relatives to humans.

Pangolins are gentle mammals who curl into a defensive ball when threatened.

Depending on pack ice for their habitat, polar bears are threatened by climate change—and by traffic in their fur and parts.