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This fox is a significant bird-egg predator, consuming eggs of all except the largest tundra bird species. [22] Arctic foxes survive harsh winters and food scarcity by either hoarding food or storing body fat subcutaneously and viscerally. At the beginning of winter, one Arctic fox has approximately 14740 kJ of energy storage from fat alone.
A fox's coat color and texture may vary due to the change in seasons; fox pelts are richer and denser in the colder months and lighter in the warmer months. To get rid of the dense winter coat, foxes moult once a year around April; the process begins from the feet, up the legs, and then along the back. [9]
Juvenile red foxes are known as kits. Males are called tods or dogs, females are called vixens, and young are known as cubs or kits. [14] Although the Arctic fox has a small native population in northern Scandinavia, and while the corsac fox's range extends into European Russia, the red fox is the only fox native to Western Europe, and so is simply called "the fox" in colloquial British English.
The foxes had been driven to near extinction across Scandinavia by hunters seeking their winter-white fur, before they gained some reprieve in hunting bans and protections introduced in the 1920s ...
Sleeping the season away. If an animal’s physiology, diet, or other characteristics don’t allow it to stay warm and/or find sufficient food during the winter, an additional set of survival ...
The gray fox (Urocyon cinereoargenteus), or grey fox, is an omnivorous mammal of the family Canidae, widespread throughout North America and Central America.This species and its only congener, the diminutive island fox (Urocyon littoralis) of the California Channel Islands, are the only living members of the genus Urocyon, which is considered to be genetically sister to all other living canids.
The High Sierra fox shares most of its physical characteristics with the red fox, though it is slightly smaller and has some special adaptions for travel over snow. The High Sierra fox was discovered as a subspecies in 1937, but its study lapsed for more than half a century before its populations were rediscovered beginning in 1993.
Like other arid land foxes, the Blanford's fox characteristically large ear is an adaptation to enhance heat dissipation. [9] However, unlike other desert foxes, it does not have pads covered with hair [ 7 ] and cat-like, curved, sharp semi-retractile claws.