Results 21 to 30 of about 507 (159)

The role of aquaria in beluga research and conservation

open access: yesPolar Research, 2021
Aquaria that care for and maintain belugas (Delphinapterus leucas) under professional care have the opportunity to contribute to the conservation of wild belugas through research, expertise in animal care and husbandry, and engaging and educating the ...
Tracy A. Romano   +7 more
doaj   +1 more source

Young Belugas Diversify Adult Beluga (Delphinapterus leucas) Behavior

open access: yesAnimal Behavior and Cognition, 2015
Across the animal kingdom, immature animals are characterized by their playfulness and diversity of behavior, but are their actions enriching to adult conspecifics? The purpose of this study was to assess if beluga (Delphinapterus leucas) calves influenced the behavioral repertoire of adult conspecifics, specifically with regard to play behaviors ...
Heather Hill   +4 more
openaire   +2 more sources

Belugas (Delphinapterus leucas) of the Barents, Kara and Laptev seas

open access: yesNAMMCO Scientific Publications, 2002
This paper reviews published information on the white whale or beluga (Delphinapterus leucas) inhabiting the Barents, Kara and Laptev seas. Some data obtained during multi-year aerial reconnaissance of sea ice in the Russian Arctic are also included. Ice
Andrei N Boltunov, Stanislav E Belikov
doaj   +1 more source

Alphaherpesvirus: isolation, identification, partial characterisation, associated pathologic findings, and epidemiology in beluga whales (Delphinapterus leucas) in Alaska and Arctic Canada

open access: yesArctic Science, 2018
Live, dead stranded, and harvested belugas (Delphinapterus leucas) in Alaska and the western Canadian Arctic were screened for viruses utilizing a primary beluga cell line. Samples consisted of swabs from blowhole, anus, and genital tract.
Ole Nielsen   +4 more
doaj   +1 more source

Beluga whale (Delphinapterus leucas) behaviour in the presence of whale-watching vessels

open access: yesFrontiers in Marine Science, 2023
Beluga whales (Delphinapterus leucas) are social animals that return to the same estuaries each summer season. The Western Hudson Bay belugas in the Churchill River estuary appear to be attracted to boats, resulting in whale-watching being a popular ...
Kristin H. Westdal   +6 more
doaj   +1 more source

Beluga whale summer habitat associations in the Nelson River estuary, western Hudson Bay, Canada.

open access: yesPLoS ONE, 2017
To understand beluga whale (Delphinapterus leucas) estuarine use in the Nelson River estuary, southwest Hudson Bay, we recorded and examined beluga movements and habitat associations for the July through August period in 2002-2005.
Alexander J Smith   +5 more
doaj   +1 more source

A review of beluga (Delphinapterus leucas) sexual behavior and reproductive physiology leading to conception

open access: yesTheriogenology Wild
This review summarizes the available literature on the knowledge of reproduction in white whales or belugas (Delphinapterus leucas). We discuss reproductive anatomy, physiology, endocrinology, and behavior prior to conception.
Heather M. Manitzas Hill   +3 more
doaj   +1 more source

Population size and yield of Baffin Bay beluga (Delphinapterus leucas) stocks

open access: yesNAMMCO Scientific Publications, 2002
A surplus production model within a Sampling, Importance Resampling (SIR) Bayesian analysis was used to estimate stock sizes and yields of Baffin Bay belugas.
Stuart Innes, Robert EA Stewart
doaj   +1 more source

Summer distribution and habitat preference of beluga whale social groups in the Eastern Beaufort Sea

open access: yesArctic Science, 2023
In social animals, group composition can cause variations in individual needs that can influence responses to habitat trade-offs, such as predator exposure or foraging opportunities.
Alexandra Mayette   +5 more
doaj   +1 more source

Cementum structure in Beluga whale teeth [PDF]

open access: yesActa Biomaterialia, 2017
A large fraction of the volume of Beluga whale (Delphinapterus leucas) teeth consists of cementum, a mineralized tissue which grows throughout the life of the animal and to which the periodontal ligaments attach. Annular growth bands or growth layer groups (GLGs) form within Beluga cementum, and this study investigates GLG structure using X-ray ...
S R, Stock   +5 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy