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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16