Distribution of belugas, Delphinapterus leucas
, in Cook Inlet, Alaska, during June/July, 1993-2000.
Several populations of the three cetacean species that are year-round residents in the Arctic--narwhal Monodon monoceros, beluga Delphinapterus leucas
, and bowhead Balaena mysticetus--are designated as endangered, threatened, or of special concern by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC), which highlights the need for increased understanding of these and other marine mammal species in the Arctic in order to formulate management plans and address conservation concerns (COSEWIC, 2011).
The white whales or belukhas, Delphinapterus leucas
, of Cook Inlet, Alaska.
Socio-sexual behavioral interactions among free-ranging beluga whales, Delphinapterus leucas
, have not been previously documented, to our knowledge, and are thus poorly understood.
cDNA cloning and characterization of a high affinity aryl hydrocarbon receptor in a cetacean, the beluga, Delphinapterus leucas
Alaska's Cook Inlet is home to a group of beluga whales, Delphinapterus leucas
, which is genetically distinct and geographically isolated from beluga whale populations in western Alaska and the Arctic (O'Corry-Crowe et al.
Abundance of beluga whales, Delphinapterus leucas
, in Cook Inlet, Alaska, 1994-2000.
A method for preparing beluga (white whale), Delphinapterus leucas
, teeth for aging.
Cook Inlet beluga whales, Delphinapterus leucas
, belong to a genetically distinct and geographically isolated population (O'Corry-Crowe et al.
Beluga whales, Delphinapterus leucas
, are found throughout the Arctic and subarctic regions of the Northern Hemisphere, summering in coastal waters and estuaries and wintering in polynyas or in areas of shifting ice (Reeves et al.
The endangered Cook Inlet beluga whale, Delphinapterus leucas
, frequents the waters of the Anchorage Coastal Wildlife Refuge (ACWR) and has often been seen by observant local residents feeding near the Campbell Creek estuary (Carlson (1)).
Key words: beluga whale, Delphinapterus leucas
, Chukchi Sea, Beaufort Sea, dive behavior, Barrow Canyon
It has been 15 years since publication of the special issue on beluga whales, Delphinapterus leucas
, in the Marine Fisheries Review 62(3), featuring the depleted Cook Inlet, Alaska, population.
Two marine mammal species that live there year-round are the beluga whale, Delphinapterus leucas
, and the harbor porpoise, Phocoena phocoena.
In general, beluga whales, Delphinapterus leucas
, have strong site fidelity to natal areas and very low dispersal rates (O'Corry-Crowe, 2002).