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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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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Two dogs were among the Titanic survivors.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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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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