Mammals - National Geographic Kids
Mammals include humans and all other animals that are warm-blooded vertebrates (vertebrates have backbones) with hair. They feed their young with milk and have a more well-developed brain than other types of animals.
Amphibians - National Geographic Kids
Amphibians are cold-blooded vertebrates (vertebrates have backbones) that don’t have scales. They live part of their lives in water and part on land.
Weird But True: Mammals - National Geographic Kids
Get Weird But True! facts about mammals. From animals to geography, take a look at these amazing—and slightly strange—facts about our world. Skip to content
Giraffe - National Geographic Kids
Giraffes grow about 4 feet (1.2 meters) in their first year of life. A newborn giraffe is about 6 feet (1.9 meters) tall at birth and weighs about 150 pounds (68 kilograms). Many young giraffes, called calves, die from lion attacks during their first year of life. Once a giraffe reaches adulthood its height is often enough to protect it from lions. Adult giraffes, however, must still be ...
Arctic Fox - National Geographic Kids
Not far from the North Pole, the world is frozen for thousands of miles. Suddenly a snowy mound wiggles and reveals two dark eyes. The lump is transformed into the furry white body of a lone arctic fox. The canine casually shakes the blanket of snow off her thick coat—the key to her survival. But warm fur alone might not keep this fox alive during the polar winter, when temperatures rarely ...
Koala - National Geographic Kids
Mammals. Diet: Herbivore. Average Life Span In The Wild: 20 years. Size: 23.5 to 33.5 inches. Weight: 20 pounds. Most marsupials have pouches where the tiny newborns develop. A koala mother usually gives birth to one joey at a time. A newborn koala is only the size of a jelly bean. Called a joey, the baby is blind, naked, and earless.
Red Fox - National Geographic Kids
(Red foxes are the most widespread meat-eating mammals on the planet.) Cities and suburbs are spreading into the countryside, swallowing up red fox habitats across the world. But instead of moving, these clever wild animals learn to thrive near large populations of people.
Ocean Habitat - National Geographic Kids
Dolphins, porpoises, and sea lions are also ocean-dwelling mammals. The ocean teems with plant life. Most are tiny algae called phytoplankton—and these microscopic plants have a big job. Through photosynthesis, they produce about half of the oxygen that humans and other land-dwelling creatures breathe.
Orca - National Geographic Kids
Six tons of pure power whacks an ice floe floating in cold Arctic waters. The seal lying on top of the ice doesn't stand a chance. Knocked into the sea, the seal becomes a meal for one of the ocean's top predators—the huge orca, or killer whale. Orcas hunt everything from fish to walruses, seals, sea lions, penguins, squid, sea turtles, sharks, and even other kinds of whales. Depending on ...
Reptiles - National Geographic Kids
Reptiles are cold-blooded vertebrates. (Vertebrates have backbones.) They have dry skin covered with scales or bony plates and usually lay soft-shelled eggs.