An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered the National Geographic ...

Divorce rates appear to be a more reliable predictor of the reproductive success of the colony than environmental factors ...

Two new animals are making a splash at Shedd Aquarium. Pico and Douglas are rockhopper penguins that hatched at Shedd ...

Shedd Aquarium has named its two newest rockhopper penguins, Pico and Douglas, nods to their South American roots and the Falkland Islands’ penguin population, respectively.