In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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In 1949, an official boxing match between a bear and a man was held. The bear won.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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A scorpion can hold its breath for up to 6 days.
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