Rattlesnake mating sessions have been known to last more than 22 hours.
232
A giraffe's kick is so powerful that it can decapitate a lion.
216
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Dogs sometimes fake being sick to get attention.
26
The Basenji dog is the only dog that is not able to bark.
4