Rattlesnake mating sessions have been known to last more than 22 hours.
232
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A puppy is born blind, deaf, and toothless.
16
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12