Results 11 to 20 of about 552 (176)

Intraspecific variation of cochlear morphology in bowhead and beluga whales. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract The bony labyrinth of the petrosal bone, a distinctive feature of mammal skulls, is often identified in micro‐computed tomography imaging to infer species' physiological and ecological traits. When done as part of a comparative study, one individual specimen is normally considered representative of a species, and intraspecific variation is ...
Peacock J, Thewissen JGM.
europepmc   +2 more sources

Beluga (D. leucas), harbor porpoise (P. phocoena), and killer whale (O. orca) acoustic presence in kotzebue sound, alaska: Silence speaks volumes

open access: yesFrontiers in Remote Sensing, 2022
Prior to 1984, belugas (Delphinapterus leucas) were seen in large numbers during spring and summer in Kotzebue Sound, Alaska, and provided an important subsistence resource to coastal residents.
Manuel Castellote   +4 more
doaj   +1 more source

The Electrocardiogram of a Beluga Whale [PDF]

open access: yesCirculation, 1953
In the course of our study of the comparative anatomy and physiology of the mammalian heart, it became necessary to develop a technic to obtain the electrocardiogram of the largest mammal of all. Because of its availability, the small white Beluga whale in northern waters was the first object of this research, prior to obtaining the record of a large ...
R L, KING, J L, JENKS, P D, WHITE
openaire   +2 more sources

Beluga (Delphinapterus leucas) response to personal watercraft and motorized whale watching vessels in the Churchill River estuary

open access: yesFrontiers in Marine Science, 2022
As interest in tourism and conservation grows worldwide, whale-watching has become a popular means of educating the public about wildlife conservation.
Emma L. Ausen   +4 more
doaj   +1 more source

Anaphylaxis to Beluga caviar

open access: yesAsian Pacific Journal of Allergy and Immunology, 2020
Fish roe is an extremely rare cause of anaphylaxis and although its consumption has increased in recent years. We described the case of a 59-year-old man, who experienced an anaphylactic reaction after consuming caviar. Skin prick-test were performed with Beluga caviar, salmon caviar, cod, salmon, hen egg yolk and egg white, ovalbumin, ovomucoid ...
Sébastien, Lefèvre   +3 more
openaire   +2 more sources

Blow collection as a non-invasive method for measuring cortisol in the beluga (Delphinapterus leucas). [PDF]

open access: yesPLoS ONE, 2014
Non-invasive sampling techniques are increasingly being used to monitor glucocorticoids, such as cortisol, as indicators of stressor load and fitness in zoo and wildlife conservation, research and medicine. For cetaceans, exhaled breath condensate (blow)
Laura A Thompson   +4 more
doaj   +1 more source

Developing a Catalog of Socio-Sexual Behaviors of Beluga Whales (Delphinapterus leucas) in the Care of Humans [PDF]

open access: yesAnimal Behavior and Cognition, 2015
The repertoire of socio-sexual and sexual behaviors of cetaceans is relatively unknown. The purpose of the current study was to advance the existing knowledge of socio-sexual behavior of beluga whales through the development of a behavioral catalog that ...
Heather M. Hill   +6 more
doaj   +1 more source

Stock identity of beluga (Delphinapterus leucas) in Eastern Canada and West Greenland based on organochlorine contaminants in their blubber

open access: yesNAMMCO Scientific Publications, 2002
Belugas (Delphinapterus leucas) caught by hunters from various hamlets in the Arctic differed in the concentrations of organochlorine contaminants in their blubber.
Stuart Innes   +4 more
doaj   +1 more source

Hormone profiles from Cook Inlet, Bristol Bay and aquarium beluga whales

open access: yesPolar Research, 2022
Beluga whales (Delphinapterus leucas) from Cook Inlet (CI), Alaska, are listed as “endangered” because of dramatic declines in abundance, with no indications of population recovery. Serum samples from this population are exceedingly rare.
Shannon Atkinson   +4 more
doaj   +1 more source

Surveys of belugas and narwhals in the Canadian High Arctic in 1996

open access: yesNAMMCO Scientific Publications, 2002
The summer range of belugas (Delphinapterus leucas) and narwhals (Monodon monoceros) in Prince Regent Inlet, Barrow Strait and Peel Sound in the Canadian High Arctic was surveyed from 31 July to 3 August 1996 with a visual aerial survey of offshore areas
Stuart Innes   +6 more
doaj   +1 more source

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