Beluga whale

belugabeluga whalesbelugasDelphinapteruswhite whaleDelphinapterus leucasa whale it resemblesannual catch of belugaBeluga (whale)beluga whales (''Delphinapterus leucas'')
The beluga whale (Delphinapterus leucas) is an Arctic and sub-Arctic cetacean.wikipedia
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Cetacea

cetaceancetaceanswhales
The beluga whale (Delphinapterus leucas) is an Arctic and sub-Arctic cetacean.
The first is the Odontoceti, the toothed whales, which consist of around 70 species, including the dolphin (which includes killer whales), porpoise, beluga whale, narwhal, sperm whale, and beaked whale.

Oceanic dolphin

DelphinidaedolphinDelphinid
It is also known as the white whale, as it is the only cetacean of this colour; the sea canary, due to its high-pitched calls; and the melonhead, though that more commonly refers to the melon-headed whale, which is an oceanic dolphin.
Delphinidae is a family within the superfamily Delphinoidea, which also includes the porpoises (Phocoenidae) and the Monodontidae (beluga whale and narwhal).

Narwhal

MonodonnarwhalsMonodon monoceros
It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus.
It is one of two living species of whale in the family Monodontidae, along with the beluga whale.

Monodontidae

monodontidarctic whalesbeluga and narwhals
It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. It is a member of the Monodontidae family, which is in turn part of the parvorder Odontoceti (toothed whales).
The cetacean family Monodontidae comprises two unusual whale species, the narwhal, in which the male has a long tusk, and the pure white beluga whale.

NOC (whale)

NOC
Another example is NOC, a beluga whale that could mimic the rhythm and tone of human language.
NOC was a Beluga whale who made human-like vocalizations.

Aboriginal whaling

aboriginalwhalingaboriginal peoples
Currently some Inuit in Canada and Greenland, Alaska Native groups and Russians are allowed to hunt belugas to consume and sell; aboriginal whaling is excluded from the International Whaling Commission 1986 moratorium on hunting.
In 2015 Alaska Natives caught 326 beluga whales and 49 bowhead whales.

Dolphinarium

dolphinariadelphinariumdolphin exhibit
Belugas are one of the most commonly kept cetaceans in captivity and are housed in aquariums, dolphinariums and wildlife parks in North America, Europe and Asia.
Though cetaceans have been held in captivity in both North America and Europe since the by 1860—Boston Aquarial Gardens in 1859 and pairs of beluga whales in Barnum's American Museum in New York City museum— dolphins were first kept for paid entertainment in the Marine Studios dolphinarium founded in 1938 in St. Augustine, Florida.

Irrawaddy dolphin

Orcaella brevirostrisIrrawaddy dolphinsIrrawaddy
The Irrawaddy dolphin was once placed in the same family; recent genetic evidence suggests these dolphins belong to the family Delphinidae.
The Irrawaddy dolphin is similar to the beluga in appearance, though most closely related to the killer whale.

Marine mammal

marine mammalssea mammalssea mammal
Because Charlotte is over 150 mi from the nearest ocean, early naturalists were at a loss to explain the presence of the bones of a marine mammal buried beneath the fields of rural Vermont.

Polar bear

polar bearsUrsus maritimuspolar
Other threats include natural predators (polar bears and killer whales), contamination of rivers (as with Polychlorinated biphenyl (PCBs) which bioaccumulate up the food chain) and infectious diseases.
Polar bears have also been seen to prey on beluga whales (Delphinapterus leucas) and narwhals (Monodon monoceros), by swiping at them at breathing holes.

Beluga (sturgeon)

belugabeluga sturgeonHuso huso
The name beluga in Russian refers to an unrelated species, a fish, the beluga sturgeon.
The common name for the sturgeon, as for the unrelated beluga whale, is derived from the Russian word белый (beliy), meaning "white", probably referring to the extensive pale colour on the underside in beluga compared to other sturgeons.

Beaufort Sea

BeaufortBeaufort Sea areanatural gas and petroleum
For example, when they are in the Beaufort Sea, they mainly eat Arctic cod (Boreogadus saida) and the stomachs of belugas caught near Greenland were found to contain rose fish (Sebastes marinus), Greenland halibut (Reinhardtius hippoglossoides) and northern shrimp (Pandalus borealis), while in Alaska their staple diet is Pacific salmon (Oncorhynchus kisutch).
As a result, the sea hosts one of the largest colonies of beluga whales, and there is no sign of overfishing.

Toothed whale

Odontocetitoothed whalesodontocete
It is a member of the Monodontidae family, which is in turn part of the parvorder Odontoceti (toothed whales).
When a beluga surfaces, its lenses and corneas correct the nearsightedness that results from the refraction of light; they contain both rod and cone cells, meaning they can see in both dim and bright light.

Champlain Sea

The remains were found to be preserved in the sediments of the Champlain Sea, an extension of the Atlantic Ocean within the continent resulting from the rise in sea level at the end of the ice ages some 12,000 years ago.
Other modern evidence of the sea can be seen in the form of whale fossils (belugas, fin whales, and bowhead whales) and marine shells that have been found near the cities of Ottawa, Ontario, and Montreal, Quebec.

Killer whale

orcakiller whalesorcas
Other threats include natural predators (polar bears and killer whales), contamination of rivers (as with Polychlorinated biphenyl (PCBs) which bioaccumulate up the food chain) and infectious diseases.
In the Antarctic, killer whales range up to the edge of the pack ice and are believed to venture into the denser pack ice, finding open leads much like beluga whales in the Arctic.

Denebola brachycephala

Denebola
The beluga's earliest-known ancestor is the prehistoric Denebola brachycephala from the late Miocene period (9–10 million years ago).
It is the earliest known ancestor of the beluga, Delphinapterus leucas, and dates from the Upper Miocene period.

Cumberland Sound beluga

Cumberland Sound
The Cumberland Sound belugas are a distinct population of belugas residing in the Cumberland Sound region of the Labrador Sea off the coast of Nunavut, Canada Individuals of this population reside in the sound year-round, congregating in its extreme north exclusively at Clearwater Fjord during the summer for calving.

Cook Inlet

Turnagain Arm115 Cook InletCook Inlet Area
The beluga was placed on the International Union for Conservation of Nature's Red List in 2008 as being "near threatened"; the subpopulation from the Cook Inlet in Alaska, however, is considered critically endangered and is under the protection of the United States' Endangered Species Act.
The Cook Inlet beluga whale is a genetically distinct and geographically isolated stock.

Melon (cetacean)

melonmelon organmelons
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 deformable.
The melon of the beluga whale is also unique in that the whale can change the melon's shape at will.

Polynya

polyniapolynyasSiberian polynya
Beluga whales often accompany bowhead whales, for curiosity and to secure polynya feasible to breathe as bowheads are capable of breaking through ice from underwater by headbutting.
In winter, marine mammals such as walruses, narwhals and belugas that do not migrate south, remain there.

Vermont

VTState of VermontGeography of Vermont
Counter-evidence to this theory comes from the finding in 1849 of fossilised beluga bones in Vermont in the United States, 240 km from the Atlantic Ocean.

Bowhead whale

bowheadbowhead whalesBalaena mysticetus
Beluga whales often accompany bowhead whales, for curiosity and to secure polynya feasible to breathe as bowheads are capable of breaking through ice from underwater by headbutting.
Scientific research on this population was seldom done before 2009, when researchers studying belugas noticed concentrations of bowheads in the study area.

Muktuk

MaktakmangtakMattak
In Greenland the skin (muktuk) is sold commercially to fish factories, and in Canada to other communities.
Muktuk is most often made from the skin and blubber of the bowhead whale, although the beluga and the narwhal are also used.

Greenland

Kalaallit NunaatGreenlandicGL
During the summer, they can mainly be found in the deep waters ranging from 76°N to 80°N, particularly along the coasts of Alaska, northern Canada, western Greenland and northern Russia.
Whale species include the beluga whale, blue whale, Greenland whale, fin whale, humpback whale, minke whale, narwhal, pilot whale, sperm whale.

Hvaldimir

tame beluga whale wearing a Russian equipment harness
It is possible this program continues within the Russian Navy, as on 24 April 2019 a tame beluga whale wearing a Russian equipment harness was found by fishermen near the Norwegian island of Ingøya.
Hvaldimir is a male beluga whale that fishers near Hammerfest in northern Norway noticed in April 2019 wearing a camera harness; after being freed from the harness, the whale remained in the area and appeared used to humans.