A group of pugs is called a grumble.
10
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Female kangaroos have three vaginas.
2