There are approximately three chickens for every human on Earth.
13
A giraffe's kick is so powerful that it can decapitate a lion.
216
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6