These ruminant animals are typically raised commercially for their meat and wool. Sheep's wool, especially, is of great economic importance to humans, and its characteristic white color makes it sought-after because it is easier to transform.
Though these marine mammals appear pink at times due to overdeveloped blood vessels for thermoregulation, they are actually white with grey spots and only appear pink when actively regulating body temperature.
The Arctic hare is a species of hare that has evolved to survive the icy and below-freezing temperatures of the Arctic tundra. Their small bodies have a disproportionate amount of fat at 20% body fat, and this keeps them insulated through the winter.