Cats and dogs can hear ultrasound.
350
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
When you shave a guinea pig it looks like a little hippo.
19
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Bats sleep 18-20 hours per day.
5
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2