Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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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.
10
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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