When cats are happy, they may squeeze their eyes shut.
10
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
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
A lion in the wild usually makes no more than twenty kills a year.
186
A dairy cow can produce more milk when listening to music.
446
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12