Favorite food. Sea ice is what brings the ocean life together. Reporter with less sea ice, theres less krill and less food for the chinstrap penguins . Thats the idea. Reporter after days of counting chinstraps on elephant island, the scientists invited us on their ship to watch them crunch numbers from one nesting site. They have lost 50 since the early teens. Wow. Thats amazing. Reporter thats the pattern the r. Ecline of about 150,000 chinstraps since the last major survey 50 years ago. Another sign the researchers say, the penguin population is collapsing across the region. Its very dramatic to have a wildlife population decline by 50 . Theyre not hunted. Reporter and you think Climate Change is the main reason behind it . I think Climate Change is driving almost all of the processes down here in a way they never did before. Reporter penguins are they need food and a Good Environment to thrive. The researchers say if the world continues to warm, these birds can show us how other sp