National Geographic captures penguins braving a desolate coast, only to be followed to their cave by a jackal predator. Will they have to fight to defend themselves, or will the crashing waves protect them from this looming threat? Secrets of the Penguins is now streaming on @disneyplus and @hulu https://on.natgeo.com/4cHzyFv Explore the World with National Geographic subscriptions: http://natgeo.com/ytngmagazine ➡ Subscribe: http://bit.ly/NatGeoSubscribe And check out more National Geographic