It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The oldest recorded elephant lived for 82 years.
213
Cats and dogs can hear ultrasound.
350
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Alligators can live up to 100 years.
337
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25