The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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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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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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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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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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