WHAT’S THE COLOUR OF WHITE BEAR?

The Polar Bear or White Bear (Ursus maritimus, Phipps 1774), large carnivorous mammal belonging to the family Ursidae, definitely looks white, but as the old saying goes, looks can be deceiving. The outer hairs of the bear are actually transparent, and its undercoat is really colourless. So why do Polar…

Leggi