There's a rare breed of pig that looks like a sheep.
14
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Mosquitoes don't just bite you, they also pee on you.
11
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12