Compared to burrows constructed by Arctic foxes, badgers, marmots and corsac foxes, red fox dens are not overly complex.
The authorities in Utah also determined that wildlife caused several cat deaths there when they found fox hair on one cat and cat hair in a nearby fox den.
Bob Schoelkopf grimaced as he bent low into the fox den on this windswept beach, searching for a telltale sign of life where he had seen its progression for the last 15 years.
Two coyotes were coming too close to a fox den to suit the female (called a vixen) that lived there.
Natal arctic fox dens are found each year on the island, usually one or two, but occasionally more.
Red foxes also reproduce on the island but natal red fox dens are not observed every year.
In 1995 a researcher found 95 fox dens on the eastern end of the island.
Look for squirrel dreys, fox dens and other winter wildlife homes.
Near the hiking path, is a fox den - the park is rich in foxes.
It turns out that, while competing, Lionpaw and Breezepaw fell into a collapsing fox den.
