These foxes are unusual in that they live in pairs rather than in a pack.

Life span
Grey foxes can live for about 13 years in captivity.

Statistics
Body Length: 53-73cm, Tail Length: 28-40cm, Shoulder Height: 30cm, Weight: 2.5-6.5kg.

Physical description
Grey foxes have grey fur, apart from the throat, inside legs and under-parts, which are white.

Distribution
The range of Grey foxes extends from Southern Canada, most of United States and Mexico, through to Colombia and Venezuela.

Habitat
They inhabit mixed pine-oak woodland bordering pastures and fields.

Diet
Grey foxes feed on invertebrates, insects, small mammals, birds, plants, fruits and grains.

Behaviour
Most grey fox activity is at night, or at dawn and dusk. Their main dens are a hollow tree, or a burrow.

They are also called a tree fox because they often climb trees seeking refuge when threatened. The pack consists of a pair of adults and their young.

Reproduction
After a gestation period of 51-63 days, females give birth to 1-10 cubs, which weigh 100g at birth.

Conservation status
The grey fox has been hunted for its coat.