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Unihemispheric slow wave sleep and the state of the eyes in a white whale
We recorded electroencephalogram (EEG) and simultaneously documented the state of both eyelids during sleep and wakefulness in a sub-adult male white whale over a 4-day-period. We showed that theExpand
Reproductively isolated ecotypes of killer whales Orcinus orca in the seas of the Russian Far East
Two ecotypes of killer whales—fish-eating and mammal-eating—have been found in the seas of the Russian Far East, but confirmation of their status required genetic studies of animals with knownExpand
Observation of the gray whale (Eschrichtius robustus) in the Laptev Sea
797 The gray whale (Eschrichtius robustus, Lilljeborg, 1861) as an Arctic species with seasonal migration may serve an indicator for climate changes in the Arctic (Moore and Huntington, 2008). TheExpand
Abundance estimate of the Okhotsk Sea population of the bowhead whale (Balaena mysticetus Linnaeus, 1758)
Abundance of 388 ± 108 whales for the Okhotsk Sea bowhead whale population based on individual genotyping was estimated using the capture–recapture method for the open population model. The dataExpand
Muscle jerks during behavioral sleep in a beluga whale (Delphinapterus leucas L.)
We conducted video recording of the behavior of one captive adult male beluga (or white) whale over eight nights aiming to quantify muscle jerks and to evaluate their relationship to the sleep-wakingExpand
[Rest and activity states in the Commerson's dolphin (Cephalorhynchus commersonii)].
The unihemispheric slow-wave sleep, the ability to sleep during swimming with one open eye and the absence of paradoxical sleep in the form of it is observed in all terrestrial mammals are uniqueExpand
Summer molting of bowhead whales Balaena mysticetus Linnaeus, 1758, of the Okhotsk Sea population
In bowhead whales summering in Ulbanskiy Bay of the Okhotsk Sea, molting of epidermis has been found and histologically confirmed. The outer layer of the molting whale epidermis is longitudinallyExpand
States of rest and activity in the Commerson's dolphin Cephalorhynchus commersonii
The unihemispheric slow-wave sleep, the ability to sleep during swimming with one open eye and the absence of paradoxical sleep in its form observed in all terrestrial mammals are unique features ofExpand
A genetic analysis of the beluga whale Delphinapterus leucas (Cetacea: Monodontidae) from summer aggregations in the Russian Far East
The genetic structure of four summer aggregations of the Beluga Whale, Delphinapterus leucas, in Sakhalin Bay and Udskaya Bay, off the western coast of Kamchatka in the Sea of Okhotsk and in theExpand
Best practice guidelines for cetacean tagging
TLDR
We provide ‘best practice’ recommendations for cetacean tag design, deployment and follow-up assessment of tagged individuals, compiled by biologists and veterinarians with significant experience in cetucean tagging. Expand
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