Cats and dogs can hear ultrasound.
350
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The cat brain weighs about 30g.
167
Gorillas can catch human colds and other illnesses.
205
Domestic pigs average a top speed of about 11 miles per hour.
182
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
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11