The red fox is a small animal that seems larger and heavier because of its long, thick coat. It varies in size.
Northern foxes are much larger than southern foxes.
The females are usually smaller than the males. The fox's head and body vary in length from 52 to 90 cm. The tail ranges in length from 33 to 46 cm. The red fox stands about 39 cm at the shoulders. The fox may weigh from as little as 3.5 kg to as much as 5.4 kg.