1. The red fox is the largest fox species. They can grow to be between 4.1 and 8.7 kilograms, or 9 and 19.2 pounds, in weight.

2. The fennec fox is the smallest fox species. It can grow to be between 0.7 and 1.6 kilograms, or 1.5 and 3.5 pounds, in weight.

3. There are 12 known species of fox. This includes the urban fox, or red fox, the white Arctic fox, the sand fox, which lives in desert regions, and the tiny big eared fennec fox.

4. They can be found on every continent except Antarctica.

5. They tend to live for about 3 to 6 years, but some species are known to be as old as 13 when kept in captivity.

6. Foxes are very transient animals and they frequently move from place to place.

7. They’re omnivores, which means that they eat both vegetation and meat. Their diet consists of small mammals, birds, reptiles, frogs, eggs, insects, worms, fish, crabs, mollusks, fruits, berries, vegetables, seeds, fungi and carrion. In the winter, their diet changes a bit and they tend to eat mainly mammals like mice and rabbits.

8. They’re nocturnal animals, which means that they’re most active during the night. However, this can change depending on where the fox lives.

9. Due to their eyes being specially adapted to night vision, foxes make great night time predators.

10. They’re known for running up to 65 kilometers per hour, or 40 miles per hour.