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
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats and dogs can hear ultrasound.
350