Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
There are approximately three chickens for every human on Earth.
13
Whales and dolphins can't taste anything other than salt.
11