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Smithsonian National Museum of Natural History, North American Mammals

  Balaenoptera borealis  (Sei Whale)



Illustration of Balaenoptera borealis
Balaenoptera borealis - insets: view of head from top, spray pattern
Credit: painting by Sandra Doyle/Wildlife Art Ltd. from Kays and Wilson's Mammals of North America, © Princeton University Press (2002)

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