A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11