Emperor penguins keep their outer feathers cooler than prevailing temperature:
the Emperor penguins keep their outer feathers cooler than the prevailing temperature of air so as to minimize the loss of heat in their bodies.
In a paper published this week in the journal Polar Biology, researchers from the Antarctic Site Inventory confirm significant declines in the breeding population of chinstrap penguins in the vastly warming Antarctic Peninsula, where it's warming faster than, or as fast as, any other place on Earth.