A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Racehorses can wear out new horse shoes in one race.
38
Cattle are the only mammals that pee backwards.
33
The costliest cat ever is named Little Nicky, who cost his owner $50,000. He is a clone of an older cat.
204
A chameleon's tongue is twice the length of its body.
29
A male baboon can kill a leopard.
38
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Some ribbon worms will eat themselves if they cant find any food!
37