Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
One in three dog owners say they have talked to their pets on the phone.
427
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Bats sleep 18-20 hours per day.
5
The reindeer is the only mammal that can see UV light.
17