(Marcel Mochet/AFP/Getty Images)
The rapid melting of sea ice is a main reason that animals in the polar regions are most affected by even slight warming.
"We're seeing declines in every single species that we know uses sea ice as its habitat," University of Texas Associate Professor of Integrated Biology Camille Parmesan says.
"The open-ocean species are doing okay," she said. "So the penguins in Antarctica that feed in the open ocean are doing okay; the penguin species that feed by just dropping off the ice shelves, like the Adelie and the emperor (pictured), are declining."