It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cows can sleep standing up, but they can only dream lying down.
745
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2