The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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 sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A lion in the wild usually makes no more than twenty kills a year.
186
Squirrels forget where they hide about half of their nuts.
698
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4