Calves are usually nursed for up to two years but it is not uncommon for the period to be extended. Although closely related to the Narwhal the Beluga whale does not possess the massive tusks of its close relative. Beluga whales are famous for being masters at echolocation. The dorsal ridge of the beluga whale is located where you would expect to see a dorsal fin. Also known as the white whale because of its white skin, the name "beluga" is derived from the Russian word for "white." Belugas are not hunted in the same numbers that other whales are caught and killed. Naya (NYE-ah) was 3 years old and weighed about 700 pounds when she arrived at Shedd in 1992. The flippers are broad and short—making them almost square-shaped. This gradient refracts sound and focuses it like a lens. Now she is the largest female and third-largest beluga, at 12 feet 3 inches and 1,600 pounds. Interestingly, the head of a beluga whale is soft. The beluga's body is stout and has a small, blunt head with a small beak, tiny eyes, thick layers of blubber, and a rounded melon. The beluga can change the shape of its melon, which can also change its facial expression. All of the belugas share an extraordinary repertoire of vocalizations, including chirps, squeals and whistles, which earned this species the old-time mariners’ nickname of “canaries of the sea.” It is for this reason that most captive whales have come from the wild. Individuals use squeaks, clucks and whistles to communicate with each other. Typically, your average beluga whale isn’t a picky eater, according to the American Cetacean Society. However, you should absolutely not be pressing this hard on a whale’s head. Ears. It is also known as the key to the ability of beluga’s echolocate. The flukes (tail) are wide and deeply notched. The beluga's body is stout and has a small, blunt head with a beak, a well-defined neck, and a rounded melon. Females are slightly smaller in size than males. No fins to swim . They make meals of snails, salmon, eulachon, crabs, shrimp, clams, octopus, squid, mussels, sandworms, cod and flounder. The tail-fin grows and becomes increasingly and ornately curved as the animal ages. For Canada: Among Giants: A Life with Whales. Their bulbous forehead or also known as a "melon… As most toothed whales a beluga also has a melon located in its forehead, which allows it to benefit from echolocation. A starving dolphin will have a robust melon even if the rest of its body is emaciated. The rounded fo… Does the Beluga Whale Make a Good Pet. Most dolphins and whales have neck vertebrae that are fused together. Une proéminence sur la tête appelée melon lui permet de s’orienter et de trouver ses proies grâce à l’écholocation. Unlike other whales, these white whales do not contain dorsal fins which can let them swim even with ice easily. beluga whale. The melon is not homologous to the spermaceti organ.[1][5]. These are all adaptive structures of the beluga whale, and each play an important role in facilitating their new google.translate.TranslateElement({pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE}, 'google_translate_element'); [4], Melon size is unrelated to maximum dive depth in toothed whales. The Beluga's Soft Head. DIET AND TEETH Belugas are toothed whales with 34 teeth. No risk to the brain then, if you press on the melon. Read on to learn about the beluga whale. An organ that is made mostly of fats helps to direct and change the soundwaves of the whale. [7], The melon of pilot whales (Globicephala) is a mixture of wax esters and triglycerides. 2 Also, for being one of the smallest, sociable and friendly cetacean species of the sea. The melon is structurally part of the nasal apparatus and comprises most of the mass tissue between the blowhole and the tip of the snout. Its body is round, particularly when well fed, and tapers less smoothly to the head than the tail. The thyroid gland is much larger than land mammals’ glands – it is 3 times as heavy as a horse’s thyroid, allowing the whale to boost its metabolism during summer, when living in the river estuaries. This adaptation is believed to help them maneuver and catch prey in silt-laden or ice-covered areas. Whisper is a marble grey color and has several white marks on her body that help her to be easily identified. Beluga whales are carnivores, which means they eat meat. We’re excited to have Imaq and Whisper join our family at Georgia Aquarium. Beluga means "white one" in Russian. What is different about the Beluga’s head is its ability to turn sideways. Listen for her too. These are all adaptive structures of the beluga whale, and each play an important role in facilitating their The melon is an echolocation organ that helps the beluga whale communicate through sounds. Other than hunting for food, they also used the echolocate to defend themselves from human predators and find breathing holes in sheets of ice. Two unusual characteristics capture the eye’s attention, its whiteness and its strangely-shaped head. The melon of a beluga whale is unique: by blowing air around its sinuses, a beluga whale can change the shape of its melon, which may be used in specialized under-ice echolocation. Here is some information about the beluga whale: The beluga whale is a small, toothed whale that is white as an adult. They are 3 to 5 meters and length and weigh an average of 1.6 tons (3500lbs). Coloration. The melon is a mixture of triglycerides and wax esters. Most dolphins and whales … For these demand-fed reasons capturing Beluga whales is a highly profitable industry that shows no signs of abating. The sperm whale has the largest nose of any animal in the world. So far the effects of these chemicals on Beluga whales are unknown. Quick facts about this very vocal and social whale! [1][2] It focuses and modulates the animal's vocalizations and acts as a sound lens. The melons holds a se… In a remarkable tale, mentioned on Wikipedia, one captive Beluga used for underwater anti-mining operations saved the life of a diver who became paralyzed with cramp. 9. 3. Beluga whales lack a dorsal fin since they do not need one in their arctic environment. Beluga Whale Skull Replica measures 20.9 inches. Beluga whales have bulbous, flexible foreheads called “melons” that help them produce sound and make facial expressions. Cranford, T. W., M. Amundin, and K. S. Norris (1996). A beluga whale’s ‘melon’. In addition, the Delphinapterus leucas adapted to life in the Arctic, so has a number of anatomical and physiological characteristics that differentiate it from other cetaceans. It doesn’t have anything to do with an exposed brain, it is the “melon” that is found on those animals. However, it may be reasonable to believe that they cause endocrine disruption and cancers as in the case of the Polar Bear and people respectively. Unlike other whales, these white whales do not contain dorsal fins which can let … References. 4. Behind the melon is a cornucopia-shaped organ that many scientists refer to as the "spermaceti organ". It is illegal to own any marine mammal as a pet. Beluga whale populations are exposed to a variety of stressors and threats, including pollution (e.g., heavy metals, chemicals, trash), shipping, energy exploration, commercial fishing, extreme weather events, strandings, predation from killer whales, subsistence harvesting, and other types of human disturbance such as underwater noise. Imaq is pretty noticeable as he is the largest beluga and has a unique melon shape. Belugas also have a melon-shaped head, which is the center for echolocation. The beluga whale (Delphinapterus leucas) is a small, toothed whale that is white as an adult. The melon of the beluga whale is a rounded soft tissue that changes shape during sound production and echolocation. Without this remarkable ability it is extremely doubtful that Beluga whales would be able to survive in such dangerous conditions. Distribution géographique . Forty percent of a b… All toothed whales (not baleen whales) have melons, but only the beluga's melon is squishy with the ability to change shapes. These changes in shape probably have the effect of changing the size, shape, direction, and frequency of the echolocation beam. En sortant, le béluga montre son melon en premier. This white whale is also rather famous as melonhead, beluga or sea canary due to its high-pitched twitter. In winter, most will follow the growing icepack as it engulfs the Arctic waters. The melon probably facilitates sound production. They have one blowhole. The dorsal ridge of the beluga whale is located where you would expect to see a dorsal fin. Beluga means "white one" in Russian. Le melon du béluga est aussi unique car le béluga peut en changer la forme à volonté. They can live to be older than 50 years of age. Whales, like the beluga, are at the top of the food chain and have an important role in the overall health of the marine environment. The junk is structurally the same as the melon (homologous to it). Once born, calves, unlike the adults, are grey in colour. Chez les cachalots ou les baleines à bec, où il est très développé, il est appelé spermaceti. LAUNDRIE: Adventure with beluga whale made for a cheeky Thanksgiving Amy Laundrie Columnist Nov 26, 2020 ... Also, males are larger than females, and the knob on their head, called a melon… As mentioned previously the fact that their neck vertebrae is not fixed allows them more movement than other cetaceans. When this happens Polar Bears can drag them out of the water for a relatively easy meal. It contains compartments of spermaceti separated by walls of cartilage. The beluga whale (Delphinapterus leucas) is a small, toothed whale that is white as an adult. Beluga Whale Skull Replica is museum quality polyurethane cast. Beluga whales, which translates to 'white one' in Russian, are the smallest whale species with a large, blunt head with a round structure called a melon. Belugas are very valued and individuals can cost $100,000 on the open market. Its head is rounded, and it has a short beak and a prominent, protruding forehead called the "melon". Estuaire et golfe du St Laurent, océans Arctique et Subarctique. The inner core has a generally larger proportion of wax esters than the outer layer.[9]. 10.1002/(SICI)1097-4687(199606)228:3<223::AID-JMOR1>3.0.CO;2-3, "Morphology of the melon and its tendinous connections to the facial muscles in bottlenose dolphins (Tursiops truncatus)", "Beluga Whale wiggling its Melon at Vancouver Aquarium", https://en.wikipedia.org/w/index.php?title=Melon_(cetacean)&oldid=984725027, Articles with unsourced statements from April 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 21 October 2020, at 18:47. These adaptations are not fully understood but it is believed that they possess highly sensitive echo-location that guides them to holes and inlets allowing them to breathe. They lack a pronounced rostrum, or beak, and the top of their head is characterized by a round, flexible melon that focuses and modulates their vocalizations, including echolocation clicks. Scientific evidence suggests a general association between behavioral activity and the various types of vocals beluga whales use. To learn more about beluga whales, please visit our animal guide here. A beluga whale's small, dark eyes are located behind the corners of the mouth. The melon contains oil and wax. Individuals use squeaks, clucks and whistles to communicate with each other. They are captured alive and used in aquariums and large water parks. Its fusiform, elongated body tapers to a greater extent in the caudal area than in the cephalic region. The analogous structure in the sperm whale is traditionally called "the junk" because whalers dismissed it as a worthless source of sperm oil. Delphinapterus leucas • Baleine blanche, Dauphin blanc, Marsouin blanc Pour les articles homonymes, voir Beluga . Some will venture under the ice displaying some remarkable adaptations in the process. The exact composition varies throughout the melon. Learn about the Beluga whale, as well as the threats it faces, what WWF is doing to conserve its future, and how you can help. [1] The lipids in the melon tend to be of lower molecular weight and more saturated than the blubber. Under these conditions, sight is of little use. [3], The varying composition of the melon creates a sound velocity gradient that refracts sound directionally. The reasons why they are in such demand is probably down to three factors their unusual white colour which people deem attractive, the playful natures and what appears to be facial expressions. The beluga's neck is narrower than the necks of other whales, and it also differs from most whales — whose neck vertebrae are fused — in that its 7 neck vertebrae are free, which allows it to nod and turn its head. [8], In the pygmy sperm whale (Kogia breviceps), the melon consists of an outer layer and an inner core. Seul le béluga adulte est blanc; les nouveau-nés sont bruns ou gris foncé et pâlissent pour devenir totalement blancs entre six et huit ans. It also forms one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus. The melon is a rounded structure on the dorsal surface of a whale's head, just in front of the blowhole. The gestation period is usually 13 to 14 months long. The melon is the rounded structure on the top of the beluga’s head, just in front of the blowhole. The beluga's body is stout and has a small, blunt head with a small beak, tiny eyes and thick layers of blubber.On their head they have a round shape called the melon. Beluga whales have only one blowhole that is utilizes for breathing at the surface of the water before making dives. These social whales live in Artic and sub-Arctic oceans, and are adapted to life in frigid waters. The melon focuses and projects echolocation signals through the water. The beluga can change the shape of its bulbous forehead, called a “melon”, by blowing air around its sinuses. They are found in coastal areas of the Arctic Ocean, and travel south when the sea ice forms. They are famously called “the canaries of the seas” because they are one of the most vocal species. We'll assume you're ok with this, but you can opt-out if you wish. The beluga whale is an aquatic mammal that lives in the Arctic and sub-Arctic. The melon of a beluga whale is unique: by blowing air around its sinuses, a beluga whale can change the shape of its melon, which may be used in specialized under-ice echolocation. You can obtain Among Giants: A Life with Whales here from Amazon. The beluga's body is stout and has a small, blunt head with a small beak, tiny eyes, thick layers of blubber, and a rounded melon. The beluga whale is referred to as a sea canary, because of its high-pitched song. They also eat a lot — 50 to 60 lbs. On their head they have a round shape called the melon. The melon of the Beluga whale is also unique in that the whale can change the melon's shape at will. Typically, your average beluga whale isn’t a picky eater, according to the American Cetacean Society. Beluga whales are large, white cetaceans that share a taxonomic family with narwhals. LAUNDRIE: Adventure with beluga whale made for a cheeky Thanksgiving Amy Laundrie Columnist Nov 26, 2020 ... Also, males are larger than females, and the knob on their head, called a melon… Mothers and their offspring sometimes meet up in summer grounds years after the nursing period. The melon is an ovoid-shaped, fatty organ found in the forehead of all toothed whales (odontocetes), including dolphins and porpoises (Cranford et al., 1996; Harper, C. J., et al., 2008) and believed to be used in echolocation.. Ne pas confondre avec le béluga , un esturgeon Delphinapterus leucas Béluga Classification Règne Animalia Embranchement Chordata Sous-embr. Their dives often take between a quarter of an hour and 20 minutes reaching depths of up to 300 metres (1,000 feet). Occasionally, the Beluga can get caught by the moving icepack and become cut off from the ocean. For Germany: Among Giants: A Life with Whales. In aquariums, beluga whales are provided climate-controlled habitats necessary for their survival. The narrowing at the base of skull (neck) creates the impression of having shoulders, which makes beluga’s appearance extraordinary among other cetaceans. Not all Belugas whales will remain on the clear side of the icepack. An organ that is made mostly of fats helps to direct and change the soundwaves of the whale. The beluga whale is a small, toothed whale that is white as an adult. Their other natural predator is the Orca Whale. A Beluga whale’s squishy head, which is called the ‘melon’, is used to direct its sound wave frequency. The melon is a mixture of triglycerides and wax esters. Any interesting adaptation is the Beluga whale’s ability to alter the shape of its head by filling its sinus with air. Une séquence de plongée est généralement une suite de 5 ou 6 plongées à faible profondeur pendant une minute, suivie d’une autre, plus profonde, qui dure aussi une minute environ. Full of stunning pictures and insightful commentary about the whales this book is stunning. The exact composition varies throughout the melon. The lipids in the melon cannot be digested by the animal as they are metabolically toxic. They weigh as much as a robust adult male human at 80 kilogrammes (177 lbs) and are already one and a half metres in length (five feet). Pods are fluid entities with membership being only temporary and individuals mix with other groups on a frequent basis. The melon of the beluga whale is also unique, in that it is capable of large deformations. A beluga's melon is generally more flexible compared to other whale species. Russia is one of the biggest providers of captured Belugas whales after Canada banned the practice. Beluga whales Little Grey and Little White always seem to have a smile on their faces, especially now that they have been taken to a sanctuary in Iceland thanks to … [10] These changes in shape probably have the effect of changing the size, shape, direction, and frequency composition of the echolocation beam. The fluke or tail of the whale is used for propelling the whale forward through the water. Head of a beluga showing its distinctive white colouring and the large frontal prominence that houses the melon - Author: Steve Snodgrass - CC BY 2.0. The rounded, flexible melon on the forehead of belugas probably facilitates sound production. A beluga's 'melon head' is a key part of communication. As far as we are aware, Beluga whales are victim to only two natural predators. It has no dorsal fin, which makes swimming under Arctic ice sheets easier. Beluga whales have only one blowhole that is utilizes for breathing at the surface of the water before making dives. Beluga whales are white whales that live in the Arctic. The tail fin is heart-shaped and orientated horizontally. Description. The beluga whale has a flexible neck that enables it to turn its head in all directions. It is composed of lipids (fats) and can change shape when the whale is producing sounds. (adsbygoogle = window.adsbygoogle || []).push({}); All Text Is The Property Of Yellow Magpie. It is believed that they spit water at sand to dislodge crabs and other seabed life for an easy meal. The melons of Delphinidae (dolphins) and Physeteroidea (sperm whales) have a significant amount of wax ester, whereas those of Phocoenidae (porpoises) and Monodontidae (narwhals and beluga whales) contain little or no wax. These numbers can swell to the thousands when they are found in estuaries. Le melon est un organe ovale de tissu gras occupant la majeure partie de la tête chez les Delphinidae. The pectoral fins spread widely, being short and rounded. Physical Characteristics . The beluga melon changes its shapes with the sound waves which they emit. The melon of the beluga whale is also unique in that the whale can change the melon's shape at will. Beluga whales are often called the “canaries of the sea” because they vocalize many different sounds, including clicks, whistles, chirps and squeals. Description. They use the hard-dorsal fins and heads to make holes in the ice. The melon focuses and projects echolocation signals through the water. Most of the fats are saturated. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. It is unique to toothed whales and not found on baleen whales. View all facts . beluga whale. These senses are so precise that Belugas can also locate air pockets in the ice. The beluga's body is thick, muscular, and tapered at both ends, with a small head and a narrow caudal peduncle (tail stock). Beluga whales, which translates to 'white one' in Russian, are the smallest whale species with a large, blunt head with a round structure called a melon. The beluga's body is stout and has a small, blunt head with a small beak, tiny eyes and thick layers of blubber.On their head they have a round shape called the melon. If one were to observe a beluga, initial remarks would feature their pure white color, extra blubber, absence of a dorsal fin, motion of lateral flippers, range of head motion, and morphology of their large and bulbous melon. This website uses cookies to improve your experience. Beluga Whales are whales with white skin. A beluga’s brain, however, is well protected and located inside their skull, as you can see in the image below. Eyes. Amazon.de Beluga Whale Facts The Beluga Whale, also popular as white whale and Delphinapterus leucas, is an extremely distinctive whale, and an Arctic and sub-Arctic cetacean. The melon is composed of lipids (fats). This organ is different in form and composition from the spermaceti organ of the sperm whale. (adsbygoogle = window.adsbygoogle || []).push({}); function googleTranslateElementInit() { }. The beluga’s body is stout and has a small, blunt head with a small beak, tiny eyes and thick layers of blubber. The inner core of the melon is about 33% wax esters, while the outer layer is about 5% wax esters. This small whale belongs to the toothed whale family and is easily identified by its dome shaped head, short beak and white coloring. On beluga whales it is prominent and overhangs the rostrum. At the top of beluga’s head, behind the melon, a single spiracle is visible, surrounded by smooth muscles which allow the animal to close it tightly when underwater. They attract a lot of attention to themselves because of their unique color and the lack of a dorsal fin. Beluga Whale Skull Replica measures 20.9 inches. Mothers and their calves perhaps unsurprisingly form the closest bond in the Beluga whale kingdom. Amazon.co.uk No fins to swim. Like Polar Bears, Beluga whales are suffering from being exposed to high concentrations of pollutants. The beluga whale is referred to as a sea canary, because of its high-pitched song. Beluga Whale Care. What is different about the Beluga’s head is its ability to turn sideways. They can wiggle and change the shape of their melon at will to direct sound. They have a melon head with 2 tiny eyes. The Beluga Whale is able to echolocate because of a bump on top of their heads, which is called a melon. Their teeth are just used for grabbing and holding prey, according to the American Cetacean Society. They are found in coastal areas of the Arctic Ocean, and travel south when the sea ice forms.. Interestingly, the head of a beluga whale is soft. The sudden tapering to the base of its neck gives it the appearance of shoulders, unique among cetaceans. Beluga whales are carnivores, which means they eat meat. Beluga whales can be over six metres (20 feet) in length. Unlike other cetaceans, belugas can move their head up, down and side-to-side because their cervical vertebrae are not fused. A beluga's melon is generally more flexible compared to other whale species. Also known as Bailey from the movie "Finding Dory". Le souffle du béluga est discret et peut atteindre 1 mètre. Beluga whales are dark grey as calves. Delphinus leucas, Pallas, 1776 Delphinapterus beluga, Lacépède, 1804. Males can weigh in excess of 1,600 kilogrammes (3,500 lbs). The particular characteristics of the melon probably have more to do with odontocete phylogeny, the taxonomic relationships over evolutionary time. (22.7 to 27 kg) of food a day. He'll carry them around on his melon or on his back, like a cape.” Maris Muzzy, whale and dolphin manager. Beluga whales are found in the cold Arctic and sub-Arctic waters. It is thus a key organ involved in communication and echolocation. Beluga whale (GB), Ballena blanca (E), Goldfinho branco (P), Witte dolfjin (H) Autres noms scientifiques parfois utilisés, mais non valides. [citation needed]. Sounds also bounce off the skull and air sacs that surround the melon. They have rounded flippers and flukes on their tail to make it easy for them to swim. The melon is the rounded structure on the top of the beluga’s head, just in front of the blowhole. Whales use something known as “echolocation” to communicate. Polychlorinated biphenyls (PCBs) have been found in concentrations exceeding 800 parts per million. Fin Whale: The Giant Speedster Of The Oceans, Hector’s Dolphin: New Zealand’s Small Resident Dolphin, Chilean Dolphin: The Small Dolphin That Avoids People, Heaviside’s Dolphin: South Africa’s Reticent Dolphin, Commerson’s Dolphin: One Of Nature’s Most Colourful Dolphins. They are found in coastal areas of the Arctic Ocean, and travel south when the sea ice forms.. It changes shape when the whale is producing sounds. They have one blowhole. The flippers are short, rounded, and wide. It doesn’t have anything to do with an exposed brain, it is the “melon” that is found on those animals. X. The bulk of that nose is composed of two large, fatty structures, the spermaceti organ and the "junk". Check out Yellow Magpie’s The Whales: Kings Of The Cetaceans, Blue Whale: The World’s True Giant and Fin Whale: The Giant Speedster Of The Oceans for further insight into Whales. For people living in Ireland or the United Kingdom, you can access: Among Giants: A Life with Whales from here. The beluga whale is white as an adult and molts seasonally. The melon of the beluga whale is a rounded soft tissue that changes shape during sound production and echolocation. Once captive the chances of Belugas successfully breeding are highly improbable. Beluga whales are easily identifiable by their white color and the round bump on their forehead, known as a melon. Typically, the inner core of the melon has a higher wax content than the outer parts and conducts sound slower. If one were to observe a beluga, initial remarks would feature their pure white color, extra blubber, absence of a dorsal fin, motion of lateral flippers, range of head motion, and morphology of their large and bulbous melon. This is why it looks so squishy. Whale or dolphin The beluga whale, by its form and color, is commonly confused with a dolphin; e specially because of its prominent head that hides the melon and its mouth in a pointy shape. As you can see, the diagram below, shows a picture of beluga whale. In some species, melons are more specialized than in others. Fifty percent of their weight is fat, a marked increase relative to other non-arctic whales, whose body is only twenty percent fat. It is composed of lipids (fats) and can change shape when the whale is producing sounds. The Beluga whale diet is comprised mainly of fish, crustaceans and cephalopods such as octopus and squid. This gradient refracts sound and focuses it like a lens. Their skin lightens as they age, becoming white as they reach sexual maturity. Beluga Whale Skull Replica is museum quality polyurethane cast. These changes in shape probably have the effect of changing the size, shape, direction, and frequency composition of the echolocation beam. by Yellow Magpie. The beluga can change the shape of its bulbous forehead, called a “melon”, by blowing air around its sinuses. Beluga whales are easily identifiable by their white color and the round bump on their forehead, known as a melon. The Beluga's Soft Head. Facts. Delphinapterus leucas Usually they will return to the same summer territory. Its genus, Delphinapterus, means "whale without fins", and the species, leucas, means white. Published on June 27th, 2012 | Amazon.ca The beluga whale is a small, toothed whale that is white as an adult. The beluga is among the smallest whale species, and an adult male will grow to between 13 and 20 feet in length and between 2,000 to 3,000 lbs in weight. It is unique to toothed whales and not found on baleen whales. This allows them to make different facial expressions. Beluga whales are also culturally important to indigenous communities in the Arctic. Like polar bears, the beluga depends on sea ice for its … The Beluga whale has no dorsal fin which probably aids it in dealing with an icy environment. Among Giants: A Life With Whales is the fascinating story of underwater photographer, Charles ‘Flip’ Nicklin. They have a thick layer of insulating blubber, a large melon used for echolocation, and lack a dorsal fin. The melon is a mass of adipose tissue found in the forehead of all toothed whales. For example, researchers have observed that beluga whales tend to emit more squawk-type calls during periods of social interaction than during alarm situations. They are a toothed whale, possessing 36 to 40 teeth total in both the upper and lower jawbones. Unlike the Beluga whale, they cannot turn their heads sideways. The smooth aerodynamic body of the Beluga is round at the front tapering away to the tail. Delphinapterus leucas The melon-shaped head is not exclusive to Beluga whales and is a common feature of toothed whales such as the Sperm Whale. Melon-Headed Appearance The melon-shaped head is not exclusive to Beluga whales and is a common feature of toothed whales such as the Sperm Whale. They have winter and summer grounds. The beluga whale (also known as the white whale) is one of the smallest whales within the cetacean species.

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