Their round, compact bodies minimize surface area that is exposed to the cold air. Their muzzle, ears, and legs are short, which also conserves heat.
Why do arctic foxes have large ears?
Their distinctive, batlike ears radiate body heat and help keep the foxes cool. They also have long, thick hair that insulates them during cold nights and protects them from hot sun during the day.
Why do some foxes have small ears?
Why do arctic foxes have small ears? They have small ears so that they can retain heat in their cold climate. The red fox has large ears because they mainly live in temperate climates and arctic foxes need to stay warm and have smaller ears so heat won’t escape. It can get very chilly up there!
How do foxes keep warm in winter?
This, of course, happens with wild mammals too, such as foxes, badgers and squirrels and the extra fur helps them to keep their body temperature constant during very cold weather. … Smaller mammals lose heat more quickly than larger ones and so they must burn up their fat fast to keep warm.
What are the predators of the Arctic fox?
Arctic foxes eat small mammals (especially lemmings), insects, berries, carrion, marine invertebrates, sea birds and fish. Their predators include polar bears, wolves, golden eagles, grizzly bears and humans. Mating for life.