When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A lion in the wild usually makes no more than twenty kills a year.
186
Two dogs were among the Titanic survivors.
262
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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10