Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Cats recognise the voice of their owner, but never evolved to care.
22
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Female kangaroos have three vaginas.
2
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
There's a lizard known as the 'Jesus Lizard' that can run across water.
11