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Published online 26 November 2008 | Nature 456, 431 (2008) | doi:10.1038/456431a
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Acoustic sensors for rare porpoise
Survey tracks world's most endangered marine mammal.
San Felipe, Mexico After two months of laying down acoustic devices across the Gulf of California in Mexico, three vessels have completed a survey of the world's most endangered marine mammal.
The sophisticated array tracked the estimated 150 remaining porpoises, known as vaquitas (Phocoena sinus).
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