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Blue whale - Wikipedia
WEBThe blue whale is a slender-bodied cetacean with a broad U-shaped head; thin, elongated flippers; a small 33 centimeters (13 in) sickle-shaped dorsal fin located close to the tail, and a large tail stock at the root of the wide and thin flukes. The upper jaw is lined with 70–395 black baleen plates.
Blue whale | Facts, Habitat, & Pictures | Britannica
WEBMay 31, 2024 · Blue whale, a species of baleen whale, a cetacean, that is the most massive animal ever to have lived. Weighing approximately 150 tons, it may attain a length of more than 30 meters (98 feet). Blue whales are predominantly blue-gray animals whose lower surfaces are lighter gray or white.
