Question

Why is fur of arctic fox is white in winter and brown in summer?

Answer 1

White fur not only provides camouflage in winter but adds warmth. A pigment called melanin, absent in white fur, gives the foxits brown summer coat. ... The small proportion of this fax species which is the blue color phase in winter sheds its coat in spring to a thinner and darker bluish-gray in summer.

Answer 2

Over the winter the arctic fox has a heavy white coat, but when early summer temperatures begin to melt the snow cover, the coat is shed for a thinner, two-tone brown pelage. ... A pigment called melanin, absent inwhite fur, gives the fox its brownsummer coat.