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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The Basenji dog is the only dog that is not able to bark.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12