Cats recognise the voice of their owner, but never evolved to care.
22
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A scorpion can hold its breath for up to 6 days.
19
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6