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n. Any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small, pointed dorsal fin. Also called razorback.

n. Any whale with longitudinal skin folds running from below the mouth to the navel, allowing the capacity of the mouth to expand greatly when feeding.

n. A very large North Atlantic whalebone whale (Physalus antiquorum, or Balænoptera physalus). It has a dorsal fin, and strong longitudinal folds on the throat and belly. Called also razorback.

n. A finner-whale of the genus Balænoptera, having short flippers, a dorsal fin, and the throat plicated.

n. any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin

"When this is combined with the fact that some of the prey that rorquals depend upon, such as krill, are declining, it becomes clear why certain rorqual populations are struggling to recover from the days of commercial whaling."

baleen whale    whalebone whale   

baleen   

razorback   

common rorqual    fin whale    balaenoptera physalus    minke whale    lesser rorqual    balaenoptera borealis    balaenoptera acutorostrata    finback whale    sei whale    finback   

bowhead    Uganda    monogastric    airborne    deep-diving    man-killing    infallibly    toothed    fifty-ton    bottle-nosed