23K views · 684 reactions | Move over for the largest penguin in the world, the Emperor penguin. Learn all about these fascinating creatures as they waddle around Antarctica. #Continent7 | National Geographic TV | Facebook

7.9K views · 82 reactions | Emperor penguin's lives depend on how quickly they adapt. Within 4 months of their birth, chicks must be ready to swim and must increase their body weight by 70 times in the first 150 days of life in order to survive. | National Geographic TV | Facebook

Watch as these juvenile Emperor penguins take a leap of faith, on their way to the ocean without their parents for the first time. Over two extraordinary years, National Geographic Explorer Bertie Gregory discovers secret traditions, surprising intelligence and close-knit societies of penguins from Antarctica to the Galápagos, never filmed before. Watch Secrets of the Penguins this Earth Day. Tuesday April 22nd from 7pm, on National Geographic WILD UK. Also streaming on Disney | National Geograp