For their land-bound cousins, like the Adélie penguin, mating rituals function more like a commodity exchange than a dance recital. The Adélie penguin, or Pygoscelis adeliae, is a penguin ...
Today is World Penguin Day, a special day in which the Adelie penguin supposedly begins its annual northward migration to Antarctica. In celebration, here are five fabulous facts about these ...
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