They don't exist. The Arctic fox is a white fox... how about a google images search?
There are no werewolves in New Zealand.
The collective noun for foxes is a leash of foxes. Another collective noun for foxes is a skulk of foxes.
"Urban" foxes, "City" foxes or "Urbanised" foxes.
If aliens exist, some alien races could possibly have canine characteristics, such as dogs, wolves, foxes, etc.
Darwin's fox of Chile is the rarest fox. Only about 300 of these animals are still surviving. They are the only fox species currently listed as endangered.
A leash of foxes is a name for an animal grouping, in this case foxes. Think flock of birds, leash of foxes.
There are no Antarctic foxes. There are, however, Arctic foxes.
There are no "Polar foxes." There are, however, Arctic foxes and they are not endangered.
Foxes.
There are foxes in England.
The population of FIVE FOXes is 2,005.