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Published online 1 August 2008 | Nature | doi:10.1038/news.2008.997
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Sonar does affect whales, military report confirms
Animals stopped vocalizing and foraging for food during marine exercises.
Whales subjected to military sonar will neither dive nor feed, according to an unpublished 2007 report from the UK military, obtained by Nature after a request under the Freedom of Information Act 2000.
The impact of sonar on whales has become an increasingly fraught issue in recent years, with submarine exercises being linked to several high-profile mass strandings.
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Reminds me of what Carl Sagan said on his Cosmos series. http://www.youtube.com/watch?v=q_imVFCm6zo