The elephant brain weighs about 6,000g.
274
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A 42-foot sperm whale has about 7 tons of oil in it.
209
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The octopus does not have a blind spot.
273
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492