Cats recognise the voice of their owner, but never evolved to care.
22
The cat brain weighs about 30g.
167
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Giant Anteaters' front legs look like a panda.
48
Dogs have been man's pet for over 14,000 years.
224
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46