The sei whale (/seɪ/ SAY, Norwegian: [sæɪ]; Balaenoptera borealis) is a baleen whale. It is one of ten rorqual species, and the third-largest member after...

whereas sei whales lacked this feature. In the 1960s it was discovered that some of the "sei whales" being caught off Brazil were also Bryde's whales based...

running from below the mouth back to the navel (except the sei whale and common minke whale, which have shorter grooves). These furrows allow the mouth...

Fin whales are rorquals, members of the family Balaenopteridae, which includes the humpback whale, the blue whale, Bryde's whale, the sei whale, and...

of a mature whale was 95 centimetres (37 in). By comparison the average blue whale penis is nearly 3 times the size of that of a sei whale. Specimen measurements...

fin whale (B. physalus), the Sei whale (B. borealis), Bryde's whale (B. brydei), Eden's whale (B. edeni), Rice's whale (B. ricei), the blue whale (B....

True's beaked whale (Mesoplodon mirus), common minke whale, sei whale, Eden's whale (B. edeni), blue whale, fin whale, and humpback whale. Whale louse "Coronulidae"...

family that includes the humpback whale, the fin whale, the Bryde's whale, the sei whale and the blue whale. The junior synonyms for B. acutorostrata are...

extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia. The sperm whale is a pelagic mammal with...

England. Humpback whales are rorquals, members of the family Balaenopteridae, which includes the blue, fin, Bryde's, sei and minke whales. A 2018 genomic...

Mesoplodont whales are 16 species of toothed whale in the genus Mesoplodon, making it the largest genus in the cetacean order. Two species were described...

Bryde's, Sei, Blue and Fin; not Eden's and Omura's whales). The whales are part of the largely terrestrial mammalian clade Laurasiatheria. Whales do not...

The false killer whale (Pseudorca crassidens) is a species of oceanic dolphin that is the only extant representative of the genus Pseudorca. It is found...

Japan has resumed taking North Pacific fin whale and sei whales in their research whaling. The fin whales are highly desired because they yield arguably...

whales as a sister group. This study also found significant gene flow between minke whales and the ancestors of the blue and sei whale. Blue whales also...

Sei or SEI may refer to: Sei (album), by Brazilian singer and composer Nando Reis "Sei", the title-song and first single from that album Sei (film), a...

Cuvier's beaked whale, goose-beaked whale, or ziphius (Ziphius cavirostris) is the most widely distributed of all beaked whales in the family Ziphiidae...

"furrow whale"; all members of the family have a series of longitudinal folds of skin running from below the mouth back to the navel (except the sei whale, which...

The orca (Orcinus orca), or killer whale, is a toothed whale that is the largest member of the oceanic dolphin family. It is the only extant species in...

numbers killed of gray whales, sei whales, fin whales, bowhead whales, Bryde's whales, sperm whales and humpback whales. Recent scientific surveys estimate...

Right whale dolphins are cetaceans belonging to the genus Lissodelphis. It contains the northern right whale dolphin (Lissodelphis borealis) and the southern...

The dwarf sperm whale (Kogia sima) is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes...

common minke whale or northern minke whale (Balaenoptera acutorostrata) is a species of minke whale within the suborder of baleen whales. It is the smallest...

concentrated prey at or below the ocean surface. Sei whales and basking sharks (sometimes minke whales as well) are in positions as food competitors and...

The narwhal (Monodon monoceros) is a species of toothed whale native to the Arctic. It is the only member of the genus Monodon, and one of two living...

suggested that sei whales and the offshore form of Bryde's whale were more closely related to one another than either species of minke whale were to each...

Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least-known groups of mammals because of their deep-sea habitat...

Eschrichtiidae (grey whales), as well as part of the family Balaenopteridae (minke, Bryde's, sei, blue and fin; not Eden's and Omura's whales). The primary threats...

minke whale (Balaenoptera bonaerensis) Sei whale (Balaenoptera borealis) Northern sei whale (Balaenoptera borealis borealis) Southern sei whale (Balaenoptera...

hair or whalebone hair. They are also called baleen bristles, which in sei whales are highly calcified, with calcification functioning to increase their...