Why is a penguin's skin white and thick?

Penguins have special flippers adapted to their life in the ocean. They also have special feathers that need to molt each year. Pinguins have two layers in their skin: a fat layer made of blubber and a feather layer consisting of downy feathers and stiff hard feathers. Penguins fast during molt. read more

Different from polar bears, penguins do not have a layer of fat as thick as polar bears (I suspect it's because bears -- and mammals, in general -- are relatively good at storing fat, given that they developed the ability to hibernate), and thus require other means of maintaining their warm-blood temperature. read more

A penguin skin has two layers: a fat layer and a feather layer. The fat layer (also called blubber) is several centimeters thick and helps penguins in staying warm, even in extreme conditions. The feather layer is the top layer, and also helps in keeping a penguin warm. read more

First penguins are found in only ONE polar region - the south polar region. Second they do not have thick fur or skin. They are BIRDS and have feathers to keep them warm and dry. read more