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
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11