Mammals

Warm-blooded vertebrates that nurse their young with milk and typically give birth to live offspring. All mammals have hair or fur at some stage of life and breathe air through lungs.

The Malayan Tapir’s Life in Black and White

The Malayan Tapir’s Life in Black and White

A closer look at how this elusive rainforest giant moves, feeds, and survives

Gelada: The Only Grass-Eating Primate on Earth

Gelada: The Only Grass-Eating Primate on Earth

Ethiopia’s primate that displays a red chest and flashes its gums

Lion Cubs Feed on a Zebra Carcass

Lion Cubs Feed on a Zebra Carcass

A closer look at how mealtime shapes a cub’s future

Wolves and Ravens: An Unlikely Ecological Partnership

Wolves and Ravens: An Unlikely Ecological Partnership

How a predator and a scavenger built one of nature’s most fascinating alliances

Okapi Looks Part Zebra, Part Giraffe

Okapi Looks Part Zebra, Part Giraffe

The only living relative of the giraffe, perfectly adapted to life in the Congo rainforest.

Meet the Wombat: The Toughest Digger Down Under

Meet the Wombat: The Toughest Digger Down Under

This sturdy Australian burrower digs vast tunnels, defends itself with an armored rear, and even produces cube-shaped droppings.

Meet the Aardvark: Africa’s One-of-a-Kind Night Digger

Meet the Aardvark: Africa’s One-of-a-Kind Night Digger

With rabbit ears, a pig-like snout, and a termite diet, this odd survivor is unlike any other mammal

The Emperor Tamarin: A Monkey with a Regal Moustache

The Emperor Tamarin: A Monkey with a Regal Moustache

Small in size but commanding in presence, this tamarin reshapes life high in the rainforest

Mountain Goats: Masters of the High Peaks

Mountain Goats: Masters of the High Peaks

How sure-footed climbers survive cliffs, cold, and predators in North America’s alpine heights

Sun Bears: Smallest of All Bears

Sun Bears: Smallest of All Bears

From tree nests to ten-inch tongues, a closer look at a hidden species

Slow Loris: The World’s Only Venomous Primate

Slow Loris: The World’s Only Venomous Primate

The bite, the biology, and the surprising reasons they use it

Tiger Quoll: The Spotted-tailed Predator of Australia

Tiger Quoll: The Spotted-tailed Predator of Australia

A pouch-raised, nocturnal hunter

Fossa: Madagascar’s Largest Terrestrial Predator

Fossa: Madagascar’s Largest Terrestrial Predator

How a mongoose relative rules the forest from canopy to ground

Busy Beavers: Inside the World of Master Builders

Busy Beavers: Inside the World of Master Builders

How dams and lodges reshape streams, create wetlands, and boost biodiversity

The Serious Side of Play in Young Mammals

The Serious Side of Play in Young Mammals

How play shapes brain development, confidence, and social skills

A Stoat Invader on Chalky Island: One Predator, an Eight-Month Hunt

A Stoat Invader on Chalky Island: One Predator, an Eight-Month Hunt

The effort to track down a single stoat threatening one of New Zealand’s predator-free sanctuaries

The Maned Wolf: Long-Legged Canid with a Roar-Bark

The Maned Wolf: Long-Legged Canid with a Roar-Bark

A tall, solitary hunter with a taste for fruit and a voice that carries across the plains of South America

Fishing Cat: Asia’s Feline Built for Aquatic Hunting

Fishing Cat: Asia’s Feline Built for Aquatic Hunting

Uses paw-tapping tricks to lure fish within striking range

Meet the Fennec Fox: Desert Survivor with Enormous Ears

Meet the Fennec Fox: Desert Survivor with Enormous Ears

A tiny predator thriving in the extremes of the Sahara

White, Orange... and Why Not Green Tigers?

White, Orange... and Why Not Green Tigers?

How prey perception, pigment science, and human decisions shaped the tiger’s colors

The Social Life of Orcas

The Social Life of Orcas

From grandmother leadership to learned hunts, pods pass knowledge across generations

The Hyrax Looks Like a Rodent but Is Related to an Elephant

The Hyrax Looks Like a Rodent but Is Related to an Elephant

A guinea pig lookalike with goat-like behavior and surprising ancestry

These Male and Female Monkeys Look So Different

These Male and Female Monkeys Look So Different

In white-faced sakis, only the males have the signature white face

This Bear Climbs Higher Than Any Other

This Bear Climbs Higher Than Any Other

Meet South America’s only native bear

Geoffroy’s Cat: A Ghost of South America

Geoffroy’s Cat: A Ghost of South America

A small wildcat that climbs trees, swims rivers, and hunts alone