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
Domestic cats hate lemons or other citrus scents.
33
A scorpion can hold its breath for up to 6 days.
19
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Lobsters have blue blood.
476
The lifespan of mammals is about 1 and a half billion heartbeats.
127