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Rorquals ( / ˈrɔːrkwəlz /) are the largest group of baleen whales, comprising the family Balaenopteridae, which contains ten extant species in three genera.
The fin whale (Balaenoptera physalus), also known as the finback whale or common rorqual, is a species of baleen whale and the second-longest cetacean after the blue whale. The biggest individual reportedly measured 26 m (85 ft) in length, with a maximum recorded weight of 77,000–81,000 kg (170,000–179,000 lb).
rorqual, (genus Balaenoptera), any of five particular species of baleen whales—specifically the blue whale, fin whale, sei whale, Bryde’s whale, and minke whale.
- The Editors of Encyclopaedia Britannica
The fin whale ( Balaenoptera physalus) is a huge baleen whale. It is the second largest animal on Earth (the blue whale is the biggest). This whale is sometimes called the "greyhound of the sea" because of its fast swimming speed; it can swim up to 23 mph (37 km/hr) in short bursts.
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The humpback whale ( Megaptera novaeangliae) is a species of baleen whale. It is a rorqual (a member of the family Balaenopteridae) and is the only species in the genus Megaptera. Adults range in length from 14–17 m (46–56 ft) and weigh up to 40 metric tons (44 short tons).
Rorquals ( / ˈrɔːrkwəlz /) are the largest group of baleen whales, which comprise the family Balaenopteridae, containing ten extant species in three genera.