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Related to Sibbald's rorqual: Balaenoptera musculus
Sibbald's rorqual:see blue whaleblue whale,
a baleen whale, Balaenoptera musculus. Also called the sulphur-bottom whale and Sibbald's rorqual, it is the largest animal that has ever lived. Blue whales have been known to reach a length of 100 ft (30.
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