A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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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
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Ants have tiny magnetic compasses in their antennae which help them navigate.
9
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46