Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A lion in the wild usually makes no more than twenty kills a year.
186
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20