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Animal Lion The lion is the only big cat that lives in a family group, called a pride. Lionesses hunt together, males guard the pride's land, and their roar can be heard about 8 kilometers away. Wild lions live in Africa, plus one small group in western India.
Animal Puma The puma, also called the cougar or mountain lion, is a big, slender cat with plain tan fur and a long tail. It lives in more of the Americas than any other wild cat, from Canada all the way to the southern tip of South America, in mountains, forests, deserts and swamps.
Animal Tiger The tiger is a huge cat with orange fur and dark stripes that help it hide in tall grass and forest shadows. It lives alone, hunts deer and wild pigs, and loves to swim. Wild tigers live only in Asia, and they are endangered.
Animal Jaguar The jaguar is the largest cat in North and South America. It lives near rivers and swamps, swims well, and has such a powerful bite that it can crack a turtle's shell. Most jaguars live in the Amazon rainforest.
Animal Cheetah The cheetah is the fastest land animal. It can go from standing still to 72 kilometers per hour in about two and a half seconds, and its top speed is around 100 kilometers per hour, as fast as a car on a highway. Cheetahs live mostly in Africa, with a very small group in Iran.
Animal Leopard The leopard is a strong, spotted big cat and the best climber of them all. It can carry its food high up into a tree, away from lions and hyenas. Leopards live in more kinds of places than any other big cat, from deserts to rainforests, across Africa and Asia.
Animal Snow leopard The snow leopard lives high in the mountains of Central Asia, where it is freezing cold and the ground is steep and rocky. Thick fur, huge furry paws and a tail almost as long as its body help it survive. It is so hard to spot that people call it the ghost cat of the mountains.
Animal Sand cat The sand cat is a small wild cat of the deserts of North Africa, Arabia and Central Asia. Its sandy coat hides it on the dunes, its big ears hear prey moving under the sand, and thick fur on the soles of its feet protects it from scorching days and freezing nights.
Animal Pallas's cat Pallas's cat, or the manul, is a small wild cat of the cold, dry grasslands and mountains of Central Asia. Its long, thick fur makes it look bigger than it really is, and its flat face and low, round ears help it peek over rocks without being seen. It hunts pikas and other small animals.
Animal Tiger shark The tiger shark is one of the biggest sharks in the sea. Young tiger sharks have dark spots and stripes like a tiger, which fade as they grow. It eats an amazing range of food, and it travels long distances between warm and cooler seas.
Animal Leopard seal The leopard seal is a large, slender seal of the icy seas around Antarctica, named for the dark spots on its gray coat. It is a fast, powerful hunter with a big head and long teeth, and it eats everything from tiny krill to fish, penguins and young seals.
Animal Leopard gecko The leopard gecko is a spotted lizard from the rocky deserts and dry grasslands of Pakistan, Afghanistan, northwestern India and Nepal. It hunts insects and scorpions at night, stores fat in its thick tail, and has real eyelids. It is also one of the most popular pet lizards in the world.
Animal Clouded leopard The clouded leopard is a forest cat of mainland Southeast Asia and the Himalayan foothills. It is named for the cloud-shaped patches on its coat, and it is an amazing climber that can creep headfirst down a tree trunk. It is Vulnerable, and fewer of them are left each year.
Animal California sea lion The California sea lion is an 'eared seal' of the west coast of North America. It is clever, playful and very noisy, with a bark like a dog's. Unlike true seals, it has ear flaps and can turn its back flippers forward to walk on land. Its numbers have grown a lot since it was protected.
Animal Golden lion tamarin The golden lion tamarin is a small, bright orange monkey with a lion-like mane. It lives only in the Atlantic coastal forest of Brazil. In the 1970s only about 200 were left in the wild; thanks to decades of work, a census in 2022 and 2023 counted about 4,800.
Animal Lion's mane jellyfish The lion's mane jellyfish is one of the biggest jellyfish in the world. Its bell is usually 30 to 50 centimeters across, but in very cold seas it can grow to about 2 meters, and hundreds of long, hair-like tentacles trail beneath it to catch food.
Animal Eastern tiger salamander The eastern tiger salamander is one of North America's biggest land salamanders: dark and shiny, with yellow or olive blotches. It spends most of its life in burrows, then walks to fishless ponds on rainy nights to lay its eggs. Its babies live in water and breathe with feathery gills.
Animal Eastern tiger swallowtail The eastern tiger swallowtail is a large butterfly of eastern North America. Males are yellow with black tiger stripes, while many females are dark, which helps them look like a bad-tasting butterfly. Its caterpillars disguise themselves as bird droppings, then turn green with big fake eyes.
Animal Eurasian lynx The Eurasian lynx is the largest of the four kinds of lynx. It has black ear tufts, a ruff of fur around its face, a short black-tipped tail and big furry paws for snow. It hides in forests and ambushes deer such as roe deer, and it has returned to parts of Europe where it had disappeared.
Animal Bobcat The bobcat is North America's most common wild cat, found from southern Canada across the United States to Mexico. It is bigger than a house cat, with a short tail, ear tufts and a spotted coat. It lives in forests, swamps, deserts and even some cities, and hunts mostly rabbits.
Animal Red lionfish The red lionfish is a striped reef fish with long, spiny fins that spread out like a lion's mane. It comes from the Pacific and eastern Indian Oceans, where it hunts small fish and shrimp at night. People released lionfish into the Atlantic Ocean, and there they have spread fast, eating many native reef fish.
Animal Ring-tailed lemur The ring-tailed lemur is a primate that lives only on Madagascar, a big island off the coast of Africa. It has a striped tail with 13 black and white rings, sunbathes with its arms spread wide, and lives in groups where the females are in charge.
Animal Ocelot The ocelot is a medium-sized wild cat of the Americas, from southern Texas to northern Argentina. Its golden coat has chains of dark-edged spots, and no two ocelots look alike. It hunts mostly at night, catching mice, rats, lizards and birds, and it needs thick plants to hide in.
Animal Great horned owl The great horned owl is a large, powerful owl with two long, earlike tufts of feathers on its head. It is one of the most common owls in North America and lives in almost any kind of semi-open place, from deserts and forests to city parks. It hunts mostly at night.
Animal Blue whale The blue whale is the largest animal ever to live on Earth, bigger than any dinosaur. It is a baleen whale: instead of teeth it has bristly plates that strain huge mouthfuls of seawater to catch krill. Blue whales live in every ocean except the Arctic, and their deep calls are among the loudest sounds made by any animal.
Animal Common wasp The common wasp is a black and yellow striped insect that lives in a big family called a colony. Thousands of wasps share a round nest made of paper that they make by chewing wood. They catch insects such as caterpillars and flies to feed their young, which makes them useful garden helpers.
Animal Spotted hyena The spotted hyena is the largest of the hyenas and a skilled hunter of the African savanna. Many people think hyenas only eat leftovers, but in East and Southern Africa they catch most of their own food. They live in big clans led by females, and they whoop, groan and 'giggle' to talk.
Animal Eurasian eagle-owl The Eurasian eagle-owl is one of the biggest owls in the world, with wings up to about 2 meters across, big orange eyes and two tall ear tufts. It lives across Europe and Asia, nests on rocky ledges and flies silently at night to catch rats, voles, hares and birds.
Animal Humpback anglerfish The humpback anglerfish is a small, round, black fish of the deep, dark ocean. A long spine on the female's head ends in a glowing lure, lit by tiny bacteria, which draws prey close enough to catch in her big, toothy mouth. The males are tiny, only about 3 centimeters long, and their job is to find a female.
Animal European peacock butterfly The European peacock butterfly has rusty-red wings with four big, colorful eyespots, like the spots on a peacock's tail. When a bird comes close, it flashes its eyespots and makes a hissing sound. Its black, spiny caterpillars live together on stinging nettles, and the adults sleep through the winter in hollow trees and sheds.
Animal Great white shark The great white shark is the largest of the mackerel sharks: a strong, torpedo-shaped fish with a gray back and a white belly. It hunts fish, seals and sea lions, and it is partly warm-blooded, which helps it stay active in cool water.
Animal Mimic octopus The mimic octopus is a long-armed, brown-and-white octopus that lives on sandy sea floors in Southeast Asia. Scientists first filmed it in 1998 and were amazed: it changes its shape, colors and movements to look like other animals, including a flatfish, a lionfish and a sea snake.