It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The elephant brain weighs about 6,000g.
274
There are approximately three chickens for every human on Earth.
13
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The largest breed of rabbit is the Flemish Giant.
65