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Blue whale

Balaenoptera musculus

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Photo by NOAA Photo Library (CC: BY)
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Blue whale

Balaenoptera musculus

Link to description on WikipediA
 

Alternative names

Pygmy Blue Whale, Sibbald's Rorqual, Sulphur-bottom Whale, Sulphurbottom.

Tags

Dolphins, sea cows, sharks and whales, Whales