During the winter this species of fox has white fur, but in the summer, it has brown fur. What environmental change may have lead to this fox's fur color?

The environmental change occurs differently as the Arctic Fox changes to a frostier white color in winter but foxes in Canada and Alaska change to pale white in winter.

Explanation:

The Arctic Fox are brownish grey in the summer but change color to a frosty white color during winter.

Unlike the Arctic Fox, its brothers in Alaska and Canada have a slightly different color. They are slate grey in summer and change to only a pale whiter color during winter.

snow cover, A