Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Cats recognise the voice of their owner, but never evolved to care.
22
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Moths are unable to fly during an earthquake.
328
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10