Found 42 datasets matching "killer whales".
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Transient killers whales inhabit the West Coast of the United States. Their range and movement patterns are difficult to ascertain, but are vital to understanding killer whale population dynamics...
Search relevance: 188.91 | Views last month: 0 -
The southern residents face several well-documented external threats. However, the population might also be subject to internal factors that limit population growth, including a reduction in...
Search relevance: 154.57 | Views last month: 0 -
Drs. Marla Holt, Brad Hanson, and Candice Emmons of the NWFSC, along with collaborators from Cascadia Research Collective and UC Davis, are currently conducting a study using digital acoustic...
Search relevance: 153.04 | Views last month: 0 -
In this study, vocal compensation is being investigated in Southern Resident killer whale (SRKW) calls to determine the degree to which whales can adjust to increased background noise levels. In...
Search relevance: 146.43 | Views last month: 0 -
This dataset contains a collection of known point locations of pygmy killer whales identified either via automated satellite tracking of tagged organisms or through direct human observation via...
Search relevance: 116.83 | Views last month: 1 -
This dataset contains a collection of three known point locations of killer whales identified through direct human observation via shipborne and aerial surveys. This collection is aggregated from...
Search relevance: 114.72 | Views last month: 5 -
This dataset contains a collection of known point locations of false killer whales identified either via automated satellite tracking of tagged organisms or through direct human observation via...
Search relevance: 114.25 | Views last month: 4 -
The difficulties associated with detecting population boundaries have long constrained the conservation and management of highly mobile marine species, especially for wide-ranging cetaceans such...
Search relevance: 91.72 | Views last month: 0 -
The difficulties associated with detecting population boundaries have long constrained the conservation and management of highly mobile marine species, especially for wide-ranging cetaceans such...
Search relevance: 89.99 | Views last month: 0 -
Photo-identification data on killer whales occupying the northern Gulf of Mexico have been collected in association with large vessel surveys since 1991. Photographs of killer whales are taken...
Search relevance: 89.38 | Views last month: 2 -
SRKW have several data gaps regarding their ecology. Diet of killer whales is being determined by analyses of predation events and feces and from stomach content of harbor porpoises. The potential...
Search relevance: 82.67 | Views last month: 0 -
We are using elliptic Fourier analysis to determine the patterns of variation in morphology of dorsal fin shape, saddle patch shape, and eye patch shape of resident, transient, and offshore killer...
Search relevance: 82.17 | Views last month: 1 -
This project extends and advances existing ocean distribution and size models for Chinook Salmon, a major prey of Southern Resident Killer Whales (SRKW) and target of important fisheries, to...
Search relevance: 79.23 | Views last month: 0 -
Three marine mammal observers participated on a cetacean survey from 26 June to 15 July 2003, aboard the NOAA ship Miller Freeman as a piggyback project during a RACE acoustic-trawl survey for...
Search relevance: 76.94 | Views last month: 1 -
This dataset is a compilation of line-transect data collected on surveys in the Aleutian Islands, Bering Sea, and western and central Gulf of Alaska, 2001 - 2010. All the surveys were conducted...
Search relevance: 76.89 | Views last month: 0 -
Three marine mammal observers participated on a cetacean survey from 26 June to 15 July 2003, aboard NOAA Ship Miller Freeman as a piggyback project during a RACE acoustic-trawl survey for pollock...
Search relevance: 75.19 | Views last month: 1 -
NWFSC will conduct acoustic and visual surveys of marine mammals from 15-29 October 2021 along the Washington, Oregon, and Canadian coasts in order to determine the occurrence, diet, and health of...
Search relevance: 74.44 | Views last month: 0 -
Killer whales (Orcinus orca) exhibit significant ecological and genetic diversity, with three primary sympatric ecotypes in the Northeast Pacific: Resident, Bigg’s (Transient), and Offshore. Each...
Search relevance: 73.19 | Views last month: 0 -
This dataset is a compilation of line-transect data collected on surveys in the Aleutian Islands, Bering Sea, and western and central Gulf of Alaska, 2001 - 2010. All the surveys were conducted...
Search relevance: 72.92 | Views last month: 0 -
Sound recordings were made in Tuxedni Bay and Chinitna Bays, Cook Inlet, Alaska. These recordings (files.wav) were made from ST-600HF sound recorders (Ocean Instruments NZ) programmed to sample on...
Search relevance: 72.28 | Views last month: 0