Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A scorpion can hold its breath for up to 6 days.
19
The seahorse is the only fish to have a neck.
12
A group of kittens is called a "kindle".
10
Bats sleep 18-20 hours per day.
5