When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The colossal squid has the largest eyes in the world.
4
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats recognise the voice of their owner, but never evolved to care.
22
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
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Female kangaroos have three vaginas.
2
Dolphins have names for one another.
18