Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Nicole Kidman is scared of butterflies.
65
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Squirrels forget where they hide about half of their nuts.
698
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sharks, like other fish, have their reproductive organs in their chests.
248