Why do arctic foxes leap up into the air and crash face first into the ground? The answer might surprise you and it is vital ...

It’s thought to be able to sense it using a protein in its eyes called cryptochrome. With fine warm underfur making up 70% of its coat and furry feet soles, the arctic fox is the best insulated ...

Mark Williams (UK/Canada) spots an Arctic fox in the distance, moving across the tundra. A glimpse of movement across the treeless tundra caught Mark’s eye. Through binoculars he spotted an Arctic fox ...