Researchers used poop stains to track down new emperor penguin colonies.
They say these act as "canaries in the coalmine" and will show how penguins adapt to climate change slowly melting away their breeding grounds.
Researchers used poop stains to track down new emperor penguin colonies.
They say these act as "canaries in the coalmine" and will show how penguins adapt to climate change slowly melting away their breeding grounds.