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. 2015 Dec 16;10(12):e0144503. doi: 10.1371/journal.pone.0144503

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© 2015 Caruso et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 3 — The days of data acquisition in 2005 are shown in gray (from April 1^st to December 31^st). The days with acoustic presence of sperm whales recorded in at least 1 file are shown in blue.