Denmark has twice as many pigs as there are people.
66
Cats and dogs can hear ultrasound.
350
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10