Nature's Greatest Moments - Episode 125: Skin & Hair - Penguins

Penguins chicks are born with a sooty grey down and their parents will keep them warm until they develop their blue-grey waterproof feathers. At the base of a penguin’s tail is a gland that secretes oil to truly waterproof their diving suit. Specialized f

offthefencenaturesgreatestmoments | February 20, 2009

Tags:. .feathers. .waterproof. .sooty. .penguins. .gland