Useless Knowledge about the Animal World

Crocodiles

Crocodiles can move their eyes and nostrils independently to pick up scents and search for prey underwater.

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A crocodile's tongue is firmly anchored to its base and cannot be moved.

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Crocodiles are the only living representatives of the archosaurs, a group of animals that long ago included the dinosaurs.

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Crocodiles can regulate their body temperature, which enables them to survive in hot and cold environments.

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The crocodile's skin consists of scales and horn plates and is very resistant to injury.

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Crocodiles can swim very fast and have great stamina, which makes them dangerous hunters.

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Crocodiles produce a poisonous secretion with which they paralyze or repel their prey.

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Male crocodiles can roar very loudly to defend their territory or to attract females.

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Crocodiles are omnivores and eat both meat and plants.

Crocodiles have existed on earth for millions of years and have hardly changed over the course of time.

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Crocodiles have a very strong bite and can hold and tear their prey with their teeth.

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Crocodiles have a very long life expectancy and can live up to 100 years.

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Crocodiles have a very close relationship with certain bodies of water that serve as their habitat and food source.

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Crocodiles can dive very well and stay under water for a long time without breathing.

Koalas

Koalas are the only mammals that feed almost exclusively on leaves.

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Koalas have very strong jaw muscles and can chew effortlessly on leaves, which are often very hard and fibrous.

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Koalas have two fingers on each front paw, which they use to hold on and climb.

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Koalas are very lethargic animals and spend most of the day sleeping in the trees.

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Koalas have a keen sense of smell and can distinguish between different leaves to know which is the tastiest for them.

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Koalas have a distinctive face with large, round ears and a long moustache.

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Koalas are Australia's national animal and one of the country's most famous symbols.

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Koalas are not tame and should not be stroked or touched, as they can then become very aggressive.

Kangaroo

Kangaroos can walk backwards.

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They can run fast up to a speed of 45 km/h.

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Kangaroos have very strong leg muscles and can jump high to protect themselves from enemies.

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The male of a kangaroo is called the male, the female the fly and the baby the joey.

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Some kangaroo species have a tail that is over a meter long.

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Female kangaroos have two uteri and can therefore raise two young at the same time.

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Kangaroos are the only mammals that feed mainly on grass.

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A kangaroo can sleep up to 19 hours a day.

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Kangaroos communicate with each other by stamping their feet and making sounds such as grunts and squeaks.

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Kangaroos can also swim.

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Kangaroos can stand on their hind legs to cover greater distances.

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Kangaroos have no teeth in their upper jaw, only in their lower jaw.

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Kangaroos have a very strong immune system and rarely get sick.

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There are more kangaroos than people in Australia.

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The males of the red kangaroo genus are among the largest mammals in the world. They can reach a size of over two meters and weigh up to 90 kg.

Wombats

Wombats have cubically shaped excrement.

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Wombats can reach a running speed of up to 40 km/h.

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Wombats can retract their claws to squeeze through tunnels and narrow structures.

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Wombats have very thick skin that protects them from attackers.

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Wombats make sounds that sound like barking or growling.

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Wombats are marsupials, which means that they suckle their young like a kangaroo.

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Wombats have an average life expectancy of around 5 to 15 years.

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Wombats are nocturnal and spend the day in their den.

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Wombats have strong territorial behavior and defend their territory aggressively against other wombats.

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Wombats have a very slow metabolism, which is why they should eat very little.

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Wombats have a very long intestinal passage, which helps them to extract nutrients from their food.

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Wombats have a close relationship with koalas and kangaroos.

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Wombats have very strong muscles in their hind legs,