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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 ...
Life expectancy is about 16 years, but Belugas in their late 20s have been recorded; the oldest female and male sampled from the catch in Cumberland Sound to date are 26 and 24 years respectively. Research suggests a low reproductive rate, typical of the K-selected species. [3] [4]
The cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil record. Beluga and Narwhal are native to coastal regions and pack ice around the Arctic Ocean.
Although the beluga sturgeon shares its name with the more famous beluga whale, the two species are unrelated. ... reproduction rates are just some of the threats the beluga sturgeon faces ...
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 ...
Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος () 'huge fish, sea monster') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
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 ...
Whales are fully aquatic, open-ocean animals: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the