The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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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Parrot parents "name" their children with a signature call.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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