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Title: Penguins Changed Diet Due to Whaling, Study Suggests Post by: Orstio on July 21, 2007, 07:03:13 PM http://news.nationalgeographic.com/news/2007/07/070720-penguins-whales.html
Extensive whale and seal hunting in Antarctica over the past 200 years appears to have triggered a shift in the diet of Adélie 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. |