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Caribou Reindeer | National Geographic Kids

https://kids.nationalgeographic.com/animals/mammals/facts/caribou

Caribou are mammals that live in the northern regions of Europe, North America, Asia, and Greenland. When snow begins to fall, caribou move south and travel to more sheltered climes where they can feed on moss or lichens. These members of the deer family dig for food using their large hooves. The underside of each hoof is hollowed out like a big scoop and allows the caribou to dig through snow in search of food. Caribou trek north in the summer in one of the largest animal migrations on Earth. They travel more than 600 miles (965 kilometers) along well-traveled routes. They spend the summer feeding on grasses, mushrooms, and plants in the tundra. They begin to move south in the winter and over one year they will have migrated over 1,600 miles (2,574 kilometers). One adult caribou eats about 12 pounds (5 kilograms) of food each day. Caribou are hunted by indigenous northern people throughout much of their range. Woodland caribou are listed as endangered, but other caribou populations are stable.
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Tundra Swan

https://kids.nationalgeographic.com/animals/birds/facts/tundra-swan

Snowy white tundra swans breed in the Arctic. Young swans have fluffy gray feathers in their first winter. The tundra swan call is higher and more like that of a Canada goose. Tundra swans mate for life and pair up for nearly a year before breeding. They breed in solitary pairs spread out across the Arctic tundra. They can be nasty protectors and are able to fend off predators like foxes. They prefer to nest near wetlands containing pondweed. They line their large, stick nests with moss and grasses. Females lay about four eggs and incubate them for 32 days. These large birds feed by dipping their heads underwater to pluck aquatic plants, roots, and tubers. Their diet consists of mainly submerged plants and roots, but they will also eat some cereal grains, corn, and mollusks, which are a kind of shellfish. The majestic tundra swan is a strong swimmer and can take off from the water with a running start and beat their wings until airborne. Their flapping wings produce a sound that earned them the name „whistling swan.“ They migrate thousands of miles to enjoy a milder winter in North America’s Atlantic and Pacific coastlines, bays, and lakes. Twice a year, they fly 3,725 miles (6,000 kilometers) round-trip between the breeding and wintering locations.
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American Crow

https://kids.nationalgeographic.com/animals/birds/facts/american-crow

If you live in the contiguous United States, you’ve almost certainly seen (or heard!) an American crow. Crows range from southern Canada throughout the United States. As an adult, this bird is entirely black from bill to tail, except for its brown eyes. Adult crow feathers have a glossy sheen. These noisy birds are often recognizable by their distinctive, loud cry, called a caw. They are often mistaken for the common raven, but ravens are larger, have differently shaped bills, pointed wings and tails, and hoarser cries. American crows often live in family groups. Both members of a breeding pair help build the nests, and the female crow usually lays four or five eggs in the spring or summer. After about five weeks in the nest, the young birds begin learning how to fly and catch prey. Crows sometimes stay near the place where they were born to help raise other young crows. Crows gather in large groups during the winter. They congregate late in the day in areas with large trees. This behavior is known as winter roosting. Crows will eat almost anything, from insects and small animals such as frogs to fruit and nuts. They prefer open areas with access to trees and can sometimes be found around vegetable gardens. Crows also frequently live in suburban neighborhoods and in parks. Crows are considered to be very intelligent birds. Text by Sara Zeglin / NGS Staff
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Giraffe

https://kids.nationalgeographic.com/animals/mammals/facts/giraffe

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 careful of lions when they are bending down to drink water or rest. Usually giraffes will drink or rest in shifts so that at least one giraffe is always on the lookout for approaching predators. The giraffes‘ height and excellent vision give them a wide view of the grasslands where they live, making it easy to spot predators from a distance. Some scientists believe that other animals—such as zebras, antelope, and wildebeests—often congregate near giraffes to take advantage of their ability to see danger from a distance. The giraffe could be considered the early warning system of the African grasslands.
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Scorpion

https://kids.nationalgeographic.com/animals/invertebrates/facts/scorpion

Scorpions are arachnids and have eight legs like their cousins—spiders, mites, and ticks. They can quickly grab an insect with their pincers and whip their telson, the poisonous tip of their tail forward and sting their prey. They use their poison to kill prey and to defend against predators. Scorpions look like small lobsters and may be the first animals to move from water to land hundreds of millions of years ago. They have been around since before the age of the dinosaurs. Fossils of scorpions from Scotland hundreds of millions of years ago show that their appearance hasn’t changed over the millennia, but they are now half the size of their ancient ancestors. Only 30 or 40 species around the world have strong enough poison to kill a person. Each species has a special type of venom that works well against a chosen prey. Scorpions typically eat insects, but when food is scarce, they can slow their metabolism to as little as one-third the typical rate for arthropods. This technique enables some species to use little oxygen and live on only one insect per year. Such survival skills allow scorpions to live in some of the planet’s toughest environments. Researchers have even frozen scorpions overnight, only to put them in the sun the next day and watch them thaw out and walk away. However, they are burrowing animals, so in areas of permafrost or heavy grasses, where loose soil is not available, scorpions may not be able to survive.
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