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The sei whale (/ s eɪ / SAY, [4] Norwegian:; Balaenoptera borealis) is a baleen whale. It is one of ten rorqual species, and the third-largest member after the blue and fin whales. It can grow to 19.5 m (64 ft) in length and weigh as much as 28 t (28 long tons; 31 short tons). Two subspecies are recognized: B. b. borealis and B. b. schlegelii.
The sei whale, or Rudolph's whale (Balaenoptera borealis), lives mainly in the North Atlantic and avoids enclosed seas, [22] but occasionally makes occasional incursions into the Mediterranean, although this is considered exceptional [12] and restricted to Spain and France. [14] The sei whale is classified as "endangered" on the IUCN Red List. [23]
List of cetaceans. Cetacea is an infraorder that comprises the 94 species of whales, dolphins, and porpoises. It is divided into toothed whales (Odontoceti) and baleen whales (Mysticeti), which diverged from each other in the Eocene some 50 million years ago (mya). Cetaceans are descended from land-dwelling hoofed mammals, and the now extinct ...
Bryde's whale (/ ˈbrʊdəz / BRUU-dəz), [ 3 ][ 4 ] or the Bryde's whale complex, putatively comprises three species of rorqual and maybe four. The " complex " means the number and classification remains unclear because of a lack of definitive information and research. The common Bryde's whale (Balaenoptera brydei, Olsen, 1913) is a larger ...
Narwhals Beluga whales. Balaenidae [1] Bowhead whale (ᐊᕐᕕᖅ, arviq) Balaena mysticetus [2] [3] Balaenopteridae [1] Fin whale Balaenoptera physalus [4] Sei whale Balaenoptera borealis [5] Blue whale (ᐊᕐᕕᖅ ᓂᐊᖁᕐᓗᖕᓂᖅᓴᖅ, ᐃᐸᒃ, arviq niaqurlungniqsaq, ipak) Balaenoptera musculus [3] [6] Common minke whale ...
Overview. [edit] Seagrasses are a paraphyletic group of marine angiosperms which evolved in parallel three to four times from land plants back to the sea. The following characteristics can be used to define a seagrass species: It lives in an estuarine or in the marine environment, and nowhere else.
Blainville's beaked whale, Mesoplodon densirostris DD. Gervais' beaked whale, Mesoplodon europaeus DD. Ginkgo-toothed beaked whale, Mesoplodon ginkgodens DD. Gray's beaked whale, Mesoplodon grayi DD. Hector's beaked whale, Mesoplodon hectori DD. Deraniyagala's beaked whale, Mesoplodon hotaula NE.
Southern right whale, Eubalaena australis [1] LC, rarer in today's Réunion; Humpback whale, Megaptera novaeangliae LC; Sei whale, Balaenoptera borealis EN; Southern fin whale, Balaenoptera physalus quoyi EN [1] Sperm whale, Physeter macrocephalus VU; Dwarf sperm whale, Kogia sima LR/lc; Blainville's beaked whale, Mesoplodon densirostris DD