The elephant brain weighs about 6,000g.
274
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Sharks have been on the planet longer than trees.
14
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Whales and dolphins can't taste anything other than salt.
11
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13