The head of her calf was visible at the external genital opening when the whale was submitted for postmortem. Furthermore, the brains of toothed whales and dolphins are significantly larger than those of any nonhuman primates and are second only to human … 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.

While VENs were common in the mysticetes, they were present only in the two odontocetes with the … A pod is known as a group of Beluga Whales, which can have as many as 100 Beluga Whales. Figure 3 shows representative VENs in cetacean species. Humans, great apes, and elephants, species all well known for their high intelligence, are the only others known to have spindle cells. They weigh about 4.5 pounds (compared to the 2.75-pound human brain) and are more than twice the size you would expect for a mammal of their body weight.

Brain Tumour Foundation of Canada, Patient Resource Handbook, 5th Edition, 2007. The beluga whale is a cetacean that inhabits arctic and subarctic regions, and is the only living member of the genus .

Beluga Whale. Renal Tumor in Red Oscar . The name beluga comes from the Russian word “bielo” meaning white.. Beluga whales are odontocetes, or toothed whales..

Beluga Whale brain. Brain size was previously considered a major indicator of the intelligence of an ... (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. Communication of Nervous and Immune Systems in the Beluga, Delphinapterus leucas. These are associated with advanced abilities such as recognising, remembering, reasoning, communicating, perceiving, adapting to change, problem-solving and understanding. Brain size. All beluga whales found in Alaska are protected because they are on the list of endangered species. Beluga whales fed on a wide variety of bottom-dwelling fish, squid, crabs, and other invertebrates. 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. Two transcriptomes of the beluga whale brain were excluded, due to general expression differences compared to other whale brain samples . The St. Lawrence River is so polluted, the New York State Department of Environmental Conservation warns people who fish the river off … 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.

The Beluga Whale generally mates when the water is warming up, which is about March or April. The auditory cortex of the brain is highly developed. 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.