King Penguins dive up to 1000 ft under the sea to hunt for food. In order to adapt to the undersea darkness, their pupils dilate into a massive circular aperture so that they can take in 300x as much light. | National Geographic Animals

Wildlife photographer Art Wolfe travels to Antarctica and the South Georgia Islands where he comes across a colony with over 400,000 King penguins. Later on, he spots some Gentoo penguins stealing rocks from each other to build nests. 🐧 | Real Wild