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Rats breed so quickly that in just 18 months, 2 rats could have created over 1 million relatives.
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The blue whale can produce the loudest sound of any animal. At 188 decibels, the noise can be detected over 800 kilometres away.
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Horses and cows sleep while standing up.
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Giant Arctic jellyfish have tentacles that can reach over 36 metres in length.
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Locusts have leg muscles that are about 1000 times more powerful than an equal weight of human muscle.
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Hummingbirds are so agile and have such good control that they can fly backwards.
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Instead of bones, sharks have a skeleton made from cartilage.
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Insects such as bees, mosquitoes and cicadas make noise by rapidly moving their wings.
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The horn of a rhinoceros is made from compacted hair rather than bone or another substance.
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Sharks lay the biggest eggs in the world.
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Even when a snake has its eyes closed, it can still see through its eyelids.
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Unlike humans, sheep have four stomachs, each one helps them digest the food they eat.
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Despite the white, fluffy appearance of Polar Bears fur (which is transparent), it actually has black skin.
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As well as being a famous Looney Tunes character, the Tasmanian Devil is a real animal that is only found in the wild in Tasmania, Australia. It is the largest carnivorous marsupial in the world.
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The average housefly only lives for 2 or 3 weeks.
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Mosquitoes can be annoying insects but did you know that it’s only the female mosquito that actually bites humans.
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Cats use their whiskers to check whether a space is too small for them to fit through or not.
