Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Mosquitoes are attracted to the color blue twice as much as any other color.
28
At birth, a panda bear is smaller than a mouse.
40
The blesbok, a South African antelope, is almost the same color as grapejuice.
14
A jellyfish is 95 percent water
34