Top 11 best cold-resistant animals in the world

The natural world produces countless rich and diverse species of plants and animals, each species has characteristics to adapt to survive in the harshness that nature brings, including almost cold areas. Even if there is life like the Arctic, there are still species that can adapt. Next we will join you to learn about animals with these special abilities.

1. Muskox

Musk oxen have lived in the Arctic for a long time, since the ice age about 200,000 years ago. With a thick two-layer coat, the first layer is a thick dark gray outer coat, long enough to almost touch the ground, and an undercoat on the inside that helps them withstand cold very well to temperatures down to minus 40 degrees. , able to withstand the harshness of the Arctic region.

Musk oxen live in herds of about 12-24 in winter and 8-20 in summer. During the summer, musk oxen live in moist areas, such as deep valleys, and move to higher mountainous areas in the winter. Their food includes arctic willow grass, lichens and moss under the snow. Musk oxen are raised to provide meat, milk and fur. Currently this species is being protected so its population is kept at a stable level.
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2. Polar bear

Polar bears are large carnivorous mammals. They mainly live in cold areas around the Arctic Ocean. When mature, this animal weighs from 400 - 600kg, with some weighing up to over 800kg. Adult males are 2.4 - 2.6m long. Their fur is white and waterproof. In addition, in order for them to adapt to the cold, they have a layer of fat up to 10cm thick that helps keep their bodies warm even when the temperature drops to minus 40 degrees.

The polar bear's habitat is the ice patches that form an ice cap around the Earth's North Pole. They often appear at the edges of ice caps, next to water strips and in places where seals are their main food source. Polar bears spend much of their time traveling on ice and avoiding fierce snowstorms by digging temporary shelters. Usually only pregnant female bears hibernate. But in places where winters are colder and food is harder to find, all polar bears hibernate.
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3. Snowy owl

The Snowy Owl, also known as the White Owl, is a large owl species with recognizable characteristics: a black beak, black claws, and yellow eyes. There are almost no ear tufts typical of owls. The head and eyes are relatively small, they are about 52 - 71cm in length, and weigh from 1.6 - 3kg. This is one of the largest owl species; the females are larger than the males; the adult males have almost entirely white plumage, while the plumage of the females and young birds has many black spots. Thick white feathers help snowy owls adapt well to life north of the Arctic Circle. In addition, their fur can also turn brown to adapt to the melting weather.

Snowy owls often nest on high mounds or rock caves, and their food is lemmings and other small rodents. Snowy owls are strong birds, ready to attack any enemy if they feel threatened by their nest, including large animals like bears or foxes, they attack in a diving direction from the air. down, causing the enemy to lose focus and leave.
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4. Snow leopard

Snow leopards are members of the cat family, living in Central Asia, with a weight of about 75kg, a long and well-proportioned tail that helps them maintain good balance, and are also used to cover their mouths and noses in times of need. cold weather. The large, fur-covered legs are considered snow boots. Snow leopards have white-gray fur with a series of rose spots on the sides, head and neck.

Snow leopards are one of the omnivores, they eat all the food they find, usually they can have the power to kill prey 3 times heavier such as chamois or livestock.

Snow leopards have supple, dexterous and flexible bodies that help them adapt well to the harsh, steep snowy mountain environment. They can travel more than 40 kilometers a day in search of food, and with the power of their hind legs, they can jump up to six times their body length. The snow leopard is also considered a symbol of some Central Asian countries.
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5. Penguin

Penguins mainly live underwater in the Southern Hemisphere, concentrating in flat coastal areas or cliffs. These are favorable conditions for them to hide from human hunting as well as for reproduction.

They have thick fur and thick fat to withstand the cold here. The weight varies depending on the species and can be up to several tens of kilograms. They often live in flocks of up to thousands of animals. Penguins have very good hearing, their eyes are adapted to observing underwater to locate prey and avoid enemies. On the contrary, on land they are nearsighted. Their olfactory abilities have not yet been fully studied.

Most penguins eat krill, fish, squid and other forms of marine life they catch while swimming underwater. They spend about half their time on land and the other half in the oceans.
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6. Siberian tiger

Siberian tigers are known as the lords of the Taiga region. The reason they can withstand the cold so well is because their fur is thicker and denser than other tigers, so they can adapt to the harshness of the weather.

The Siberian tiger is considered the largest subspecies of tiger, the typical weight of wild Siberian tigers is indicated as 180–306 kg for males and 100–167 kg for females. The prey of the Siberian tiger includes Manchurian deer, Siberian musk deer, long-tailed chamois, elk, Siberian roe deer, Manchurian roe deer and smaller animals such as hares, rabbits, ochotona and salmon.

With the increasing risk of hunting, this tiger species is at risk of extinction, the current population is only about 400, living mainly in the Taiga forest in Russia.

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7. Reindeer

Reindeer are distributed mainly in the Arctic and sub-Arctic regions. Their bodies are covered with hair that can trap air. The layer of air in their fur will help their body isolate from the surrounding environment. In addition, the reindeer's circulatory system also has the ability to help the cold blood in the limbs absorb heat from the warm blood source in their trunk.

Reindeer vary significantly in color and size. Both males and females develop antlers (horns), although in males the antlers are usually larger. There are a few females that lack antlers completely. In particular, male reindeer often lose their horns in winter. Every year, herds of reindeer travel hundreds of kilometers north in search of food. They were purebred 2000 years ago.
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8. North American otter

Otters are endemic to the North American continent, often found along the rivers and coasts of this region. They are protected and insulated by a thick layer of waterproof fur, so they can withstand cold temperatures very well.

The main food of otters is fish and some other aquatic products such as shrimp, crabs, frogs, frogs... they also have a very high metabolic rate and consume energy at a wild rate. must eat an amount of food equal to 15% of their body weight every day. In water at 10 °C an otter needs to catch at least 100g of fish every hour, if less than that it will not survive. Most of them hunt for 3-5 hours a day. If they are nursing mothers, they need to hunt for 8 hours a day.

Otters have the habit of living in groups. Today they have become extremely rare because of hunting, habitat changes and the use of mercury to illegally pan for gold in the river.
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9. Eurasian lynx

The Eurasian lynx is a type of cat that belongs to the lynx family of cats. They are distributed mainly in Asia and Northern Europe. This animal usually has a short tail, with rings below the neck and black stripes that look like knots. They have big feet, thick skin to walk in the snow, along with long hairs on their faces. The color of the body coat ranges from light brown to gray and sometimes has dark brown spots, especially on the legs. Lynxes weigh from about 15 kg to about 30 kg.

Lynx live in forests located at high altitudes with dense shrubs, grass and reeds. Although they only hunt on the ground, they climb and swim quite well. Lynx have excellent hunting abilities and can take down a deer many times larger than their own body, but usually their food is birds, small animals, fish, sheep or goats.

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10. Black-capped tit

The black-capped tit is a species of bird in the Paridae family, and is the state symbol of several states in the United States. This bird has the ability to lower its body temperature on cold winter nights, which helps them withstand the cold quite well.

The black-capped tit is a small but stocky bird that lives in forest fields with a short, stubby bill. They are adaptable birds, with a mixed diet, including seeds and insects. This is a human-friendly bird, they can approach and eat food from people's hands.
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11. Arctic ground squirrel

The findings, published in the journal Nature Metabolism, could explain how mammals survive long periods of inactivity in winter. To conduct the study, scientists from the University of Alaska Fairbanks monitored ground squirrels in the laboratory for more than two years.

When the rodents hibernated in temperatures just above freezing, the instruments observed the conversion of free nitrogen secreted by the animal's atrophied muscles into amino acids. Researchers suspect squirrels may use amino acids to synthesize proteins that feed lung and kidney tissue as well as strengthen skeletal muscles.

The hibernation period of Arctic ground squirrels usually lasts 8 months. During this time, they do not eat or drink anything. While in hibernation, they take one breath per minute. Despite being inactive for much of the year, Arctic ground squirrels do not lose significant muscle or suffer lasting cell damage.
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