Chinchillas are small rodents native to South America who live in large colonies.

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

Often maligned and misunderstood, opossums play many important roles in their ecosystems.

These furry masked bandits probably hang out in your neighborhood—they’re amazing survivors and can thrive in all sorts of habitats.