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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Bats sleep 18-20 hours per day.
5