Rattlesnake mating sessions have been known to last more than 22 hours.
232
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The colossal squid has the largest eyes in the world.
4
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The cat brain weighs about 30g.
167
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The oldest recorded elephant lived for 82 years.
213