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In addition, beluga whales have undergone semen collection, [249] body temperature data collection, [251] reproductive tract examinations via transabdominal ultrasound, and endoscopic exams. [254] With new technology, the reproductive characteristics of both the female and male beluga whale have been accurately described and has benefited ...
Weight: 1,400 lb (640 kg) Kayavak (born August 3, 1999) is a female beluga whale [1] that currently resides at the Shedd Aquarium in downtown Chicago. She is the only ...
There are approximately 89 [8] living species split into two parvorders: Odontoceti or toothed whales (containing porpoises, dolphins, other predatory whales like the beluga and the sperm whale, and the poorly understood beaked whales) and the filter feeding Mysticeti or baleen whales (which includes species like the blue whale, the humpback ...
Just another day at the office, naked deep-sea diving with beluga whales at the Arctic Circle. Natalia Avseenko, a 36-year-old Russian scientist, decided to test the hypothesis that belugas might ...
Last week brought a huge new addition to Chicago’s historic Shedd Aquarium: a baby Beluga whale. Born to the aquarium’s female Beluga, Naya, the new calf and its mother are receiving round-the ...
A 2010 study considered whales to be a positive influence to the productivity of ocean fisheries, in what has been termed a "whale pump." Whales carry nutrients such as nitrogen from the depths back to the surface. This functions as an upward biological pump, reversing an earlier presumption that whales accelerate the loss of nutrients to the ...
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 84 ] [ 40 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 89 ]
Beluga and Narwhal are native to coastal regions and pack ice around the Arctic Ocean. Both species are relatively small whales, 3–5 m (9.8–16.4 ft) in length, with a forehead melon , and a short or absent snout.