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6 giorni fa · The fin whale (Balaenoptera physalus), also known as the finback whale or common rorqual, is a species of baleen whale and the second-longest cetacean after the blue whale. The biggest individual reportedly measured 26 m (85 ft) in length, with a maximum recorded weight of 77,000–81,000 kg (170,000–179,000 lb).
6 giorni fa · Common minke whale. The 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 species of the rorquals and the second smallest species of baleen whale.
6 giorni fa · The blue whale ( Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 meters (98 ft) and weighing up to 199 tonnes (196 long tons; 219 short tons), it is the largest animal known ever to have existed.
6 giorni fa · Baleen whales are cetaceans classified under the parvorder Mysticeti, and consist of four extant families: Balaenidae ( right whales ), Balaenopteridae (rorquals), Eschrichtiidae ( gray whale) and Cetotheriidae ( pygmy right whale ).
6 giorni fa · Cow and calf. Like other right whales, the North Atlantic right whale, also known as the northern right whale or black right whale, [2] is readily distinguished from other cetaceans by the absence of a dorsal fin on its broad back, short, paddle-like pectoral flippers and a long arching mouth that begins above the eye.
1 giorno fa · Other examples include the use of echolocation for hunting in low light conditions — which is the same hearing adaptation used by bats — and, in the rorqual whales, jaw adaptations, similar to those found in pelicans, that enable engulfment feeding.
5 giorni fa · Orca gladiator (Bonnaterre, 1789) 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 the genus Orcinus. Orcas are recognizable by their black-and-white patterned body.
