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Encyclopedia > Rorqual
Rorquals
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Eutheria
Order: Cetacea
Suborder: Mysticeti
Family: Balaenopteridae
Gray, 1864
Genera

Balaenoptera
Megaptera Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals characterized by the presence of mammary glands... Eutheria is a classification system nearly synonymous with Placentalia. ... Suborders Mysticeti Odontoceti (see text) The order Cetacea includes whales, dolphins and porpoises. ... Families Balaenidae Balaenopteridae Eschrichtiidae Neobalaenidae Scientifically known as the Mysticeti, the baleen whales, also called whalebone whales or great whales, form a suborder of the order cetacea. ... John Edward Gray (February 12, 1800 - March 7, 1875) was a British zoologist. ... See genus (mathematics) for the use of the term in mathematics. ... Genera Balaenoptera Megaptera Rorquals are the largest group of baleen whales, with nine species in two genera. ... Binomial name Megaptera novaeangliae (Borowski, 1781) Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a mammal which belongs to the baleen whale suborder. ...

Rorquals are the largest group of baleen whales, with nine species in two genera. They include the largest animal that has ever lived, the Blue Whale, which can reach 150 tonnes, two others that easily pass 50 tonnes, and even the smallest of the group, the Northern Minke Whale, reaches 9 tonnes. Families Balaenidae Balaenopteridae Eschrichtiidae Neobalaenidae Scientifically known as the Mysticeti, the baleen whales, also called whalebone whales or great whales, form a suborder of the order cetacea. ... In biology, a species is, loosely speaking, a group of related organisms that share a more or less distinctive form and are capable of interbreeding. ... See genus (mathematics) for the use of the term in mathematics. ... Binomial name Balaenoptera musculus (Linneus, 1758) Blue Whale range The Blue Whale (Balaenoptera musculus) is a marine mammal belonging to the suborder of baleen whales. ... Binomial name Balaenoptera acutorostrata Binomial name Balaenoptera bonaerensis Minke Whale range Antarctic Minke Whale range Dwarf Minke Whale range The Minke Whale or Lesser Rorqual is a marine mammal belonging to the suborder of baleen whales. ...


Rorquals take their name from a Norwegian word meaning "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 has shorter grooves). These are understood to allow the mouth to expand greatly when feeding. "Minke" is named after a Norwegian or German whaling gunner named Meincke, who, in the early part of the 20th century shot a Northern Minke Whale mistaking it for a Blue. Binomial name Balaenoptera borealis Lesson, 1828 Sei Whale range The Sei Whale (Balaenoptera borealis) is a large baleen whale, and as such is one of the largest animals in the world. ...


Distribution is worldwide: the Blue, Fin, Humpback, Sei, and Minke Whales are found in all major oceans; and one or other of the two species of Bryde's Whale occurs in the Atlantic, Pacific, and Indian oceans, being absent only from the cold waters of the Arctic and Antarctic. Binomial name Balaena brydei Binomial name Balaena edeni Brydes Whale range Bryde’s Whales are the least-known and in many ways the most unusual of the rorquals. ... The Atlantic Ocean is Earths second-largest ocean, covering approximately one-fifth of its surface. ... For other meanings of Pacific, see Pacific (disambiguation). ... The red line indicates the 10°C isotherm in July, commonly used to define the Arctic region border The Arctic is the area around the Earths North Pole. ... Greek ἀνταρκτικός, opposite the arctic) is a continent surrounding the Earths South Pole. ...


Most rorquals are fairly strictly oceanic: the exceptions are Bryde's Whales (which are usually found close to shore all year round) and Humpback Whales (which are oceanic but pass close to shore when migrating). Oddly, it is the largest and the smallest types - Blue and Minke Whales - that occupy the coldest waters in the extreme south; Fin Whales tend not to approach so close to the ice shelf; Sei Whales tend to stay further north again. (In the northern hemisphere, where the continents distort weather patterns and ocean currents, these movements are less obvious, although still present.) Within each species, the largest individuals tend to approach the poles more closely, while the youngest and fittest ones tend to stay in the south (or north) for longer before leaving on their annual migration. Binomial name Megaptera novaeangliae (Borowski, 1781) Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a mammal which belongs to the baleen whale suborder. ... An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earths oceans. ...


Most rorquals breed in temperate waters during the winter, then migrate back to the polar feeding grounds rich in plankton and krill for the short polar summer. Photomontage of plankton organisms Plankton are the weakly swimming but mostly drifting small organisms that inhabit the water column of oceans, seas, and bodies of freshwater. ... Families Euphausiidae Bentheuphausiidae Krill are shrimp-like marine invertebrate animals. ...


The discovery of an eighth member of the Balaenopteridae family was announced in November 2003 - specimens of the Balaenoptera omurai, which looks similar to, if smaller than, the Fin Whale were found in Indo-Pacific waters. Binomial name Balaenoptera omurai The Balaenoptera omurai is a species of whale about which almost nothing is known. ... Binomial name Balaenoptera physalus (Linneus, 1758) Fin Whale range The Fin Whale (Balaenoptera physalus) is a mammal which belongs to the baleen whales suborder. ...


Taxonomically the Balaenopteridae (rorqual) family is split into two sub-families - Balaenopterinae and Megapterinae. Each sub-family contains one genus - Balaenoptera and Megaptera respectively. Binomial name Megaptera novaeangliae (Borowski, 1781) Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a mammal which belongs to the baleen whale suborder. ... Binomial name Megaptera novaeangliae (Borowski, 1781) Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a mammal which belongs to the baleen whale suborder. ...

The rorquals' phylogenetic tree ascertained from DNA sequencing
The rorquals' phylogenetic tree ascertained from DNA sequencing

  Results from FactBites:
 
Rorqual - LoveToKnow 1911 (0 words)
RORQUAL, a whale of a long and elongated shape, with a small back-fin and a number of longitudinal pleatings or folds on the throat (see Cetacea).
The name rorqual refers to these folds, while the alternative title of finner, or fin-whale, marks an important difference between these whales (for there are several species) and right-whales.
The head is relatively small, flat and pointed in front, the whalebone short and coarse, the body long and slender, and the tail much compressed before it expands into the "flukes." Rorquals are the most abundant and widely distributed of all whales, being found in all seas, except the extreme Arctic and Antarctic regions.
Rorqual à bosse (790 words)
Le séjour d’un rorqual à bosse dans le secteur est généralement très court, et la première rencontre peut être la seule de la saison.
En 1997 et en 1999, un à quatre rorquals à bosse sont même restés dans le secteur plusieurs semaines, au lieu de simplement y passer quelques jours.
Si la venue d’un rorqual à bosse dans la région de Tadoussac est un événement, le golfe du Saint-Laurent, et particulièrement le détroit* de Belle Isle, constitue l'une des destinations estivales importantes pour cette espèce.
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