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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Early American humans hunted car-size armadillos and used their shells for houses.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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