Discover the emperor penguin, including what you may not already know about these familiar birds. Learn their diet, range, and other fun facts! Experience Antarctica in a whole new way as you move in and live on the pack ice with emperor penguins. How Emperor Penguins survive at -40C. These birds are amazing in their ability to survive in the harshest of conditions, without feeding for weeks. Emperor penguins walking on sea ice Emperor penguins are particularly vulnerable to climate change because of their dependence on sea ice. The fate of Emperor Penguins is largely tied to sea ice, making them particularly vulnerable to warming, new research shows. Appearance: The adult Emperor penguin is the largest and most graceful of all penguins. Like the King, it features yellow to orange colors along with the