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Prince Albert I of Monaco observes necropsy on juvenile sperm whale aboard research vessel Princesse Alice (1897)
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Sperm whale (Physeter macrocephalus)
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World distribution of Sperm Whale (Physeter macrocephalus )
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Gulf of Mexico Sperm Whale survey sightings 1996-2001 (+), 2003-04 (dots); lines show 100 & 1000 m isobaths and limit of survey
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Male sperm whale between bouts of upside down swimming (a rare behavior), feeding close to surface (Kaikoura, New Zealand, 1998)