From https://news.nationalgeographic.com/2018/03/adelie-penguins-colonies-discovered-antarctica-environment/ Off the coast of western Antarctica, a tiny archipelago called the Danger Islands has been home to more than 1.5 million Adélie penguins that were hiding in plain sight. The islands were long known to have penguins, but how many remained a mystery until satellite images and an on-the-ground survey revealed the colonies’ …