Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A 42-foot sperm whale has about 7 tons of oil in it.
209
A dairy cow can produce more milk when listening to music.
446