Rorqual

Rorquals are the largest group of baleen whales, with nine species in two genera. They include the largest animal that has ever lived, the Blue Whale, which can reach 150 tonnes, and another that reaches 70 tons; even the smallest of the group, the Northern Minke Whale, reaches 9 tonnes.

Rorquals
Humpback whale with her calf.jpg
Humpback Whale, Megaptera novaeangliae
Scientific classification
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Balaenopteridae

Gray, 1864
Genera

Balaenoptera
Megaptera