Sheep, goats, octopuses, and toads have rectangular pupils.
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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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Cows can sleep standing up, but they can only dream lying down.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
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Female kangaroos have three vaginas.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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