Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
When cats are happy, they may squeeze their eyes shut.
10