Cats sleep for 70% of their lives.
8
The elephant brain weighs about 6,000g.
274
Gorillas can catch human colds and other illnesses.
205
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Only 3% of bird species have penises.
0
Tigers can see 6 times better at night than humans.
305
The largest earthworm on record was found in South Africa and measured 22 feet.
151