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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In Australia, there are spiders big enough to eat snakes.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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The largest breed of rabbit is the Flemish Giant.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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