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Sei Whale

Balaenoptera borealis (species), “Rudophi’s Rorqual”, “Coalfish Whale”, “Pollack Whale”

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The sei whale ( SAY, Norwegian: [sæɪ]; Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. It avoids polar and tropical waters and semi-enclosed bodies of water. The sei whale migrates annually from cool, subpolar waters in summer to temperate, subtropical waters in winter with a lifespan of 70 years.Reaching 19.5 m (64 ft) in length and weighing as much as 28 t (28 long tons; 31 short tons), the sei whale consumes an average of 900 kg (2,000 lb) of food every day; its diet consists primarily of copepods, krill, and other zooplankton. It is among the fastest of all cetaceans, and can reach speeds of up to 50 km/h (31 mph) (27 knots) over short distances.…

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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