Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The cat brain weighs about 30g.
167