It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The colossal squid has the largest eyes in the world.
4
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Condoms were originally made of animal intestines or linen.
347
A cow produces around 200,000 glasses of milk in her lifetime.
373