Why Are Penguin Feathers Waterproof? | Antarctica | Lindblad Expeditions

Penguins make their feathers waterproof by grooming themselves using oil from their uropygial gland. The oil repels water. Video by Rodrigo Moterani aboard the National Geographic Resolution in Antarctica. Subscribe to our channel: http://bit.ly/LEX_YouTube Join the conversation: Facebook: http://bit.ly/LEX_FB Instagram: http://bit.ly/LEX_Instagram Twitter: http://bit.ly/LEX_Twitter Blog: http://bit.ly/LEX_Blog