IAAAM 1992 TR Romano; JA Olschowka; SY Felten; DL Felten University of … Although you would think it would denote a large brain, beluga heads often look mongaloidish or retarted. Ribas JL, Mena H, Braund KG, Sesterhenn IA, Toivio-Kinnucan M. 1989. Humans, great apes, and elephants, species all well known for their high intelligence, are the only others known to have spindle cells. A histologic and immunocytochemical study of choroids plexus tumors of the dog. That being said, most retards (mentally handicapped) and dwarves (little people) have beluga heads. The beluga whale or white whale (Delphinapterus leucas) is one of the smallest species of whale.. The St. Lawrence River is so polluted, the New York State Department of Environmental Conservation warns people who fish the river off … With the largest brain mass of any extant animal, sperm whale brains are 8,000 – 9,000 cubic centimetres, whereas human brains are only around 1,300 cubic centimetres.

When fully grown beluga whales on average weigh between 2,000 – 3,500 pounds and grow to an average length of 10 – 17 ft. long, however large males may occasionally exceed 18 ft. in length during adulthood. What threatens the beluga whale in the last 50 years is not only its predators. The sound waves produced by a beluga whale bounce off objects in the water and return to the beluga in the form of an echo. … Spindle cells (neurons without extensive branching) have been discovered in the brains of the humpback whale, fin whale, sperm whale, killer whale, bottlenose dolphins, Risso's dolphins, and beluga whales. The brain of a sperm whale is about 60% larger in absolute mass than that of an elephant. These are associated with advanced abilities such as recognising, remembering, reasoning, communicating, perceiving, adapting to change, problem-solving and understanding.

Beluga whales have a well-developed, acute sense of hearing. ... (Hof & Van der Gucht, 2007) supported the hypothesis that these neurons were coincident with large brain size and did not negate the prospect that they were characteristic of socially complex organisms. Brain size. There are some anecdotes told about belugas that were taken into captivity. While VENs were common in the mysticetes, they were present only in the two odontocetes with the … All beluga whales found in Alaska are protected because they are on the list of endangered species. So it seems they are deep thinkers! These anecdotes give us the idea of the brain capacity of a beluga whale.T. Beluga whales fed on a wide variety of bottom-dwelling fish, squid, crabs, and other invertebrates. In comparison, the average hearing range for humans is about 0.02 to 20 kHz. Beluga Whale. Tumors in Cetaceans Back to Session V: Infectious Diseases Infectious Diseases . The Beluga Whale generally mates when the water is warming up, which is about March or April. A pod is known as a group of Beluga Whales, which can have as many as 100 Beluga Whales. 5. Health Care of Beluga Whale. That means that like humans, they have a lot of brain power left over after you account for body maintenance. There are less than 100,000 individuals in the world, so efforts must be taken seriously. A term used to describe a person with an enormous, bulbus forehead like that of a beluga whale. The gestation period for the Beluga Whale is about 14 to 15 months. Beluga Whale Family. Killer whales, or orcas, have the second-biggest brains among all ocean mammals, weighing as much as 15 pounds. The beluga whale is a cetacean that inhabits arctic and subarctic regions, and is the only living member of the genus .

Beluga brains are indeed large. The quality of the brain tissue is also important – and that is much more challenging to quantify. Cetacean brains, such as those of dolphins (left) and humpback whales (right), have even more cortical convolutions and surface area than human brains do. A beluga whale can hear sounds in the range of 1.2 to 120 kHz, with a peak sensitivity of about 10 to 75 kHz. A beluga whale wearing a tight harness spotted by fishermen off the coast of Norway may have been trained by the Russian military, Norwegian scientists have claimed. They can live in nature for about 50 years. Lobomycosis in Bottlenose Dolphin. Beluga Whale brain. The beluga whale samples were sequenced more detailed than the other samples used in this study, which may explain the observed differences in gene expression.

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