A domestic cat can sprint at about 31 miles per hour.
274
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5