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- Beluga_whale abstract "The beluga whale or white whale (Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. This marine mammal is commonly referred to simply as the melonhead, beluga or sea canary due to its high-pitched twitter.It is adapted to life in the Arctic, so has a number of anatomical and physiological characteristics that differentiate it from other cetaceans. Amongst these are its unmistakable all-white colour and the absence of a dorsal fin. It possesses a distinctive protuberance at the front of its head which houses an echolocation organ called the melon, which in this species is large and plastic (deformable). The beluga’s body size is between that of a dolphin’s and a true whale’s, with males growing up to 5.5 m (18 ft) long and weighing up to 1,600 kg (3,500 lb). This whale has a stocky body; it has the greatest percentage of blubber. Its sense of hearing is highly developed and it possesses echolocation, which allows it to move about and find blowholes under sheet ice.Belugas are gregarious and they form groups of up to 10 animals on average, although during the summer months, they can gather in the hundreds or even thousands in estuaries and shallow coastal areas. They are slow swimmers, but they can dive down to 700 m (2,300 ft) below the surface. They are opportunistic feeders and their diets vary according to their locations and the season. They mainly eat fish, crustaceans and other deep-sea invertebrates.The majority of belugas live in the arctic and the seas and coasts around North America, Russia and Greenland; their worldwide population is thought to number around 150,000 individuals. They are migratory and the majority of groups spend the winter around the arctic ice cap; but when the sea ice melts in summer, they move to warmer river estuaries and coastal areas. Some populations are sedentary and do not migrate over great distances during the year.The native peoples of North America and Russia have hunted belugas for many centuries. They were also hunted commercially during the 19th century and part of the 20th century. Whale hunting has been under international control since 1973. Currently, only certain Inuit groups are allowed to carry out subsistence hunting of belugas. Other threats include natural predators (polar bears and killer whales), contamination of rivers, and infectious diseases.From a conservation perspective, the beluga was placed on the International Union for Conservation of Nature’s Red List in 2008 as being "near threatened"; however, the subpopulation from the Cook Inlet in Alaska is considered Critically Endangered and is under the protection of the United States' Endangered Species Act. Of seven Canadian beluga populations, the two inhabiting eastern Hudson Bay and Ungava Bay are listed as endangered.Belugas are one of the cetaceans most commonly kept in captivity in aquaria and wildlife parks in North America, Europe and Asia; they are popular with the public due to their colour and expressivity.".
- Beluga_whale thumbnail Beluga03.jpg?width=300.
- Beluga_whale wikiPageExternalLink Delphinapterus_leucas.html.
- Beluga_whale wikiPageExternalLink Delphinapterus_leucas.html.
- Beluga_whale wikiPageExternalLink beluga-whale.html.
- Beluga_whale wikiPageExternalLink books?id=s8Dolyb5g2sC&lpg=PP1.
- Beluga_whale wikiPageExternalLink beluga-whale.
- Beluga_whale wikiPageExternalLink species.asp?id=159.
- Beluga_whale wikiPageExternalLink whale_beluga.html.
- Beluga_whale wikiPageExternalLink delphinapterus-leucas.
- Beluga_whale wikiPageExternalLink d_leucas.htm.
- Beluga_whale wikiPageExternalLink 328541.
- Beluga_whale wikiPageExternalLink belugawhale.htm.
- Beluga_whale wikiPageExternalLink belugacam.
- Beluga_whale wikiPageExternalLink 666-video-nacimiento-ballena-beluga-en-vancouver.html.
- Beluga_whale wikiPageID "230920".
- Beluga_whale wikiPageRevisionID "605642102".
- Beluga_whale binomial "Delphinapterus leucas".
- Beluga_whale hasPhotoCollection Beluga_whale.
- Beluga_whale image "Beluga_size.svg".
- Beluga_whale image2Caption "Size compared to an average human".
- Beluga_whale name "Beluga".
- Beluga_whale rangeMap "Cetacea range map Beluga.png".
- Beluga_whale rangeMapCaption "Beluga range".
- Beluga_whale status "NT".
- Beluga_whale statusSystem "iucn3.1".
- Beluga_whale taxon "Delphinapterus leucas".
- Beluga_whale subject Category:Animals_described_in_1776.
- Beluga_whale subject Category:Arctic_cetaceans.
- Beluga_whale subject Category:Megafauna.
- Beluga_whale subject Category:Monodontidae.
- Beluga_whale type Animal100015388.
- Beluga_whale type AnimalsDescribedIn1776.
- Beluga_whale type AquaticMammal102062017.
- Beluga_whale type ArcticCetaceans.
- Beluga_whale type Cetacean102062430.
- Beluga_whale type Chordate101466257.
- Beluga_whale type LivingThing100004258.
- Beluga_whale type Mammal101861778.
- Beluga_whale type Object100002684.
- Beluga_whale type Organism100004475.
- Beluga_whale type PhysicalEntity100001930.
- Beluga_whale type Placental101886756.
- Beluga_whale type Vertebrate101471682.
- Beluga_whale type Whole100003553.
- Beluga_whale type Animal.
- Beluga_whale type BiologicalLivingObject.
- Beluga_whale type EukaryoticCell.
- Beluga_whale type Mammal.
- Beluga_whale comment "The beluga whale or white whale (Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. This marine mammal is commonly referred to simply as the melonhead, beluga or sea canary due to its high-pitched twitter.It is adapted to life in the Arctic, so has a number of anatomical and physiological characteristics that differentiate it from other cetaceans.".
- Beluga_whale label "Baleia-branca".
- Beluga_whale label "Beluga whale".
- Beluga_whale label "Białucha".
- Beluga_whale label "Béluga (baleine)".
- Beluga_whale label "Delphinapterus leucas".
- Beluga_whale label "Delphinapterus leucas".
- Beluga_whale label "Weißwal".
- Beluga_whale label "Witte dolfijn".
- Beluga_whale label "Белуха (млекопитающее)".
- Beluga_whale label "حوت أبيض".
- Beluga_whale label "シロイルカ".
- Beluga_whale label "白鲸".
- Beluga_whale sameAs Běluha_severní.
- Beluga_whale sameAs Weißwal.
- Beluga_whale sameAs Delphinapterus_leucas.
- Beluga_whale sameAs Beluga.
- Beluga_whale sameAs 15694.
- Beluga_whale sameAs Béluga_(baleine).
- Beluga_whale sameAs Paus_beluga.
- Beluga_whale sameAs Delphinapterus_leucas.
- Beluga_whale sameAs シロイルカ.
- Beluga_whale sameAs 흰고래.
- Beluga_whale sameAs zxLp7.
- Beluga_whale sameAs Witte_dolfijn.
- Beluga_whale sameAs Białucha.
- Beluga_whale sameAs Baleia-branca.
- Beluga_whale sameAs m.01hlgf.
- Beluga_whale sameAs Q132072.
- Beluga_whale sameAs Q132072.
- Beluga_whale sameAs species.
- Beluga_whale sameAs Beluga_whale.
- Beluga_whale wasDerivedFrom Beluga_whale?oldid=605642102.
- Beluga_whale depiction Beluga03.jpg.
- Beluga_whale isPrimaryTopicOf Beluga_whale.