Flies are deaf.
379
Starfish don't have brains.
132
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
There is a tiger named Kenny who is the only known tiger to have downs syndrome.
10
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202