The Basenji dog is the only dog that is not able to bark.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
When you shave a guinea pig it looks like a little hippo.
19