Mammals

A:

Dolphins do sleep with one eye open, a skill that is necessary for survival. When dolphins sleep, only half of their brains shut down, which enables them to remain vigilant to the threat of predators and to regulate their breathing to avoid drowning.

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  • What is a group of raccoons called?

    Q: What is a group of raccoons called?

    A: A group of raccoons is called a gaze. Raccoons are sociable animals within the family group. They will remain with the family group for a year before venturing off to look for a mate.
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  • Why are sea otters endangered?

    Q: Why are sea otters endangered?

    A: Sea otters are listed as an endangered species because they are vulnerable to oil spills from ships and coastal tanker traffic. They also have a reduced population size, which puts them in danger of becoming extinct. According to the U.S. Fish and Wildlife Service, sea otters have been protected under the Endangered Species Act since 1977. They are also protected by the Marine Mammal Protection Act.
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  • Where does the arctic fox live?

    Q: Where does the arctic fox live?

    A: The arctic fox lives in the Arctic regions of the northern hemisphere. This includes the northernmost parts of Canada, Alaska and Russia. The arctic fox has several adaptations, such as a compact body and thick fur, that allow it to withstand the brutal conditions it lives in.
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  • Are baby hedgehogs born with or without quills?

    Q: Are baby hedgehogs born with or without quills?

    A: Also known as hoglets or piglets, baby hedgehogs are born with soft, pliable quills that are embedded within a fluid-filled layer of skin, meaning these quills aren't exposed when they are born, making the process safer and easier for the mother hedgehog. Within the first day of the hoglets' lives, this soft layer of skin will dry out and retract, which exposes the quills and allows them to begin the process of hardening and darkening. At this point in the hoglets' development, there are about 150 quills on each baby's back, and they are white in appearance as they emerge from their protective layer of skin.
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  • What does a red fox eat?

    Q: What does a red fox eat?

    A: Red foxes, which are omnivores, eat a wide variety of animal life but prefer small rodents such as mice, voles, hamsters, gerbils, gophers and woodchucks. They also hunt and eat opossums, raccoons, rabbits, birds, reptiles and insects. When meat is scarce, they supplement their diet with plant matter such as berries, fruit, grass and tubers. Around human habitations, they also feed on pet food and garbage.
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  • What are some flying mammals?

    Q: What are some flying mammals?

    A: Bats are the only mammals capable of flight, according to Defenders of Wildlife. A bat's wing consists of elongated fingers with a thin membrane stretching between them.
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  • Where do capybaras live?

    Q: Where do capybaras live?

    A: Capybaras are native to South America. They live in savannas and dense rain forests near ponds, rivers or lakes. They are highly social animals and typically live in groups of 10 to 20, although some live in groups as large as 100.
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  • Where do echidnas live?

    Q: Where do echidnas live?

    A: The long-beaked echidna lives in the highlands of New Guinea, and the short-beaked echidna lives mainly in New Guinea and Australia. The short-beaked echidna is also found in Tasmania, King Island, Flinders Island and Kangaroo Island.
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  • What do leopards eat?

    Q: What do leopards eat?

    A: Leopards eat other animals, such as gazelles, sheep and goats. They also prey on rodents and smaller animals, such as monkeys.
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  • What is a rock badger?

    Q: What is a rock badger?

    A: The rock badger, or Procavia capensis, is one of four living species of hyraxes. These small animals look somewhat like guinea pigs or woodchucks but are actually more closely related to elephants, manatees and dugongs. They are native to sub-Saharan Africa and the Middle East.
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  • What mammal has the thickest fur?

    Q: What mammal has the thickest fur?

    A: Sea otters have the densest fur of any mammal, with the ability to sport as many as 1 million hairs per square inch of fur, and as many as 800 million hairs covering its body. This thick fur is made up of a combination of short undercoat hairs and longer fur made up of what are known as guard hairs, which may be lighter in color than the undercoat.
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  • Why are sloths endangered?

    Q: Why are sloths endangered?

    A: Bradypus pygmaeus, known as pygmy three-toed sloth, is a critically endangered species because of human threats and predators. They are endemic to Isla Escudo de Veraguas, an island in Panama that is protected as a wildlife refuge. Although the island has no inhabitants, visitors such as local people, fishermen and lobster divers hunt the sloths and sell their meat.
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  • What is a European hedgehog?

    Q: What is a European hedgehog?

    A: The European hedgehog is a small mammal with long legs, a short tail, small ears and a pig-like snout. It generally grows to around 14 inches in length and weighs two pounds. Its most notable feature is the array of 7,000 one-inch long, transparent spines that protect its body.
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  • Where do foxes live?

    Q: Where do foxes live?

    A: Foxes live in burrowed dens that they build underground; in warmer weather, foxes live in hollow areas above ground. Foxes are solitary animals, but they live together as a family during breeding season.
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  • Can rhinos swim?

    Q: Can rhinos swim?

    A: Rhinos are excellent swimmers, according to the World Association of Zoos and Aquariums. They can also dive and feed under the water and spend approximately 60 percent of their time relaxing there. Water is essential to rhinos, as it protects against parasites and ensures adequate body temperature.
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  • Where do zebras live?

    Q: Where do zebras live?

    A: Zebras live on the semi-arid grasslands and savannas of southern and eastern Africa. There are three species of zebras that survive in the wild. These are the plains zebra, the mountain zebra and Grevy's zebra.
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  • What is the difference between a badger and a wolverine?

    Q: What is the difference between a badger and a wolverine?

    A: There are a number of differences between badgers and wolverines, but one major difference is that badgers are carnivores and wolverines are omnivores. Additionally, badgers prefer to live in plains and open areas while wolverines tend to frequent forests.
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  • Can you keep a pet anteater?

    Q: Can you keep a pet anteater?

    A: With the right amount of knowledge, a person can keep an anteater as a pet. Anteaters are high- maintenance pets, and owners must understand proper care of the animals.
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  • Where did the Bengal tiger get its name?

    Q: Where did the Bengal tiger get its name?

    A: The Bengal tiger is named after the Bengal region in southern Asia, an area that overlaps with the tiger's current geographic range. Bengal tigers once roamed throughout the entire Indian subcontinent, but now the largest population is within India, with the second-largest population in Bangladesh.
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  • Where do rhinos live?

    Q: Where do rhinos live?

    A: Rhinoceri are native to Africa and Asia. White rhinos live in South Africa, Zimbabwe, Namibia and Botswana. Black rhinos inhabit southern and western Africa, especially around Tanzania, Kenya, Zimbabwe and South Africa.
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  • Does a hippo sweat?

    Q: Does a hippo sweat?

    A: Hippos do not sweat, but often submerge themselves in water to keep cool during the day. They produce a substance that looks like sweat, but is actually a natural sunscreen that turns red in the sun. The fluid was previously believed to be a mix of blood and sweat.
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