Denmark has twice as many pigs as there are people.
66
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Gorillas can catch human colds and other illnesses.
205
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A 42-foot sperm whale has about 7 tons of oil in it.
209
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The elephant brain weighs about 6,000g.
274
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23