There are twelve species of true foxes in the world, and they live in a wide range of habitats, on every continent except Antarctica. They vary widely in size and appearance. One of the most striking ...

Built for survival: Short limbs, small ears, and thick fur help arctic foxes minimize heat loss and endure temperatures as low as –58°F. Science behind shape: Allen’s rule explains their compact build ...

Add Yahoo as a preferred source to see more of our stories on Google. Allen’s Rule explains why animals in warm climates tend to have longer appendages than those in colder environments. Large ears, ...