Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A giraffe's kick is so powerful that it can decapitate a lion.
216
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Whales and dolphins can't taste anything other than salt.
11
The octopus does not have a blind spot.
273