Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Denmark has twice as many pigs as there are people.
66
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
When you shave a guinea pig it looks like a little hippo.
19
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4