Penguins Changed Diet Due To Whaling, Study Suggests

Extensive whale and seal hunting in Antarctica over the past 200 years appears to have triggered a shift in the diet of AdA??�A�A�lie penguins, a new study suggests. The seabirds abandoned fish in favor of krill, shrimp-like crustaceans that are a major component in the diets of fur seals and baleen whales. The finding supports a theory that Antarctic sealing and whaling led to a krill population explosion, and the penguins apparently took advantage of the surplus...