Sentences with phrase «whales researchers from»

Orca (Killer) Whales Researchers from around the world have been coming to Vancouver Island to study the Orca (Killer) whales for a few decades making Orca whales here the best studied whales in the world.

Not exact matches

Researchers have observed humpback whales defending smaller sea animals from killer whale attacks: pic.twitter.com / rCmJVNiiKm

European whales and dolphins may be at risk of extinction from the effects of polychlorinated biphenyls, or PCBs, a team of researchers recently reported in Scientific Reports.

The researchers estimate that from 1975 to 2015, the yearly biomass of chinook salmon consumed by pinnipeds (sea lions and harbor seals) and killer whales increased from 6,100 to 15,200 metric tons, and from five to 31.5 million individual salmon.

In a new study researchers tracked the movements and interactions of New Zealand's false killer whales from a few dozen sightings spread over 17 years.

Known to provide nutrients for whales and pose a hazard to shipping, the Luzon Strait internal waves move west at speeds as fast as 3 meters (18 feet) per second and can be as much as 500 meters (1,640 feet) from trough to crest, the researchers found.

Researchers at the Cascadia Research Collective in Olympia, Washington, tracked seven whales — which they recognized by the markings on their tail flukes — from their summer feeding grounds in the Antarctic Ocean to their winter breeding grounds off the Pacific coast of Central America.

Now researchers from the Woods Hole Oceanographic Institution have examined 16 sperm whale skeletons collected since 1870 and found pockmarks and erosion in the bones of adult whales.

The researchers think that these sleek and speedy whales beckon females from hundreds of kilometers away to lure them to food - rich breeding grounds.

In the largest study of its kind to date, researchers used mitochondrial DNA microsatellites from skin samples gathered from more than 3,000 individual humpback whales across the Southern Hemisphere and the Arabian Sea to examine how whale populations are related to one another, a question that is difficult to answer with direct observations of whales in their oceanic environment.

While the researchers found no clear geographical pattern to the whales» markings and vocalizations, they did find a genetic pattern: The whales» mitochondrial DNA (mtDNA), which is inherited only from the mother, indicated that groups with similar calls and markings were related.

A new species of fossil baleen whale that lived in the North Pacific Ocean 30 to 33 million years ago has been described by researchers from New Zealand's University of Otago.

Several times, whales worked together in coordinated bottom side - rolls, which the researchers speculate might help to cluster fish or at least prevent them from escaping.

A new paper from WCS (Wildlife Conservation Society), in partnership with researchers and practitioners from National Oceanic and Atmospheric Administration, U.S. Coast Guard, Space Quest, Google, and SkyTruth, reviews the use of a maritime vessel communication and navigational safety system that is not only effective in protecting people, but wildlife such as whales, walruses, and other wildlife species as well.

Seeking to establish links between populations of blue whales in the Gulf of Corcovado and other regions, the researchers examined DNA collected from the skin of blue whales with biopsy darts fired from crossbows across the eastern South Pacific.

The mere presence of filter feeders as large as Tamisiocaris suggests that Cambrian ecosystems were much more productive than previously recognized, the researchers contend: As seen in modern species as diverse as fish, sharks, and whales, large animals can successfully exploit small prey only when they can be sieved from the environment in great concentrations.

Vervet monkeys and humpback whales both copy behaviors from their neighbors, researchers report April 25 in Science.

In September 2014, the same international team of researchers, guided by Giovanni Bianucci from Pisa University (Italy), found a partial skeleton of a mysticete whale in a rock boulder.

«These are the first direct measurements of individual responses for any baleen whale species to these kinds of mid-frequency sonar signals,» said Brandon Southall, SOCAL - BRS chief scientist from SEA, Inc., and an adjunct researcher at both Duke and the University of California Santa Cruz.

To make the discovery, announced in May, researchers led by Nicholas Pyenson of the Smithsonian Institution collected tissue samples from whale carcasses during a legal commercial whaling operation in Iceland.

Researchers determined the whales» current population numbers by comparing photographic shots of humpbacks in their North Pacific feeding grounds (around the Pacific Rim from California to Kamchatka) to images taken of the whales in their southern, tropical breeding areas — some as far as 3000 miles away.

To find out just how unique, researchers from Syracuse University in New York analyzed the «upcalls» of 13 whales whose vocalizations had been collected from suction cup sensors attached to their backs.

To begin to answer these questions, researchers from Conservation International and the Georgia Aquarium have placed satellite tags on whale sharks in various locations around the world, including Cenderawasih Bay.

Geographer James Cheshire and designer Oliver Uberti worked with researchers and wildlife experts to collect billions of data points, taken from digital tags on humpback whales, magnetic fields tracking badgers, QR codes mapping an individual ant, and more.

Root - Gutteridge's newest investigation «A lifetime of changing calls: North Atlantic right whales, Eubalaena Glacialis, refine call production as they age,» a collaborative research project with researchers from Syracuse University, Cornell University, Duke University and the National Oceanic and Atmospheric Administration (NOAA) Northeast fisheries office, was recently published in the March edition of the journal Animal Behaviour.

Researchers from The University of Western Australia and Australian Institute of Marine Science, (AIMS) and collaborators across the Indian Ocean have completed a huge photo - identification study to assess the seasonal habits of whale sharks in the tropics.

Speed limits on ships have been of some help in saving the North Atlantic right whales from being killed in collisions, suggest studies by the US government and independent researchers — and environmental groups are suing to expand the areas where protection measures are in force.

Researchers found that related beluga whales returned to the same locations every year and that this behavior was passed down from generation to generation, likely from mother to calf.

While Dr. Eades is correct that glycogen tends to degrade rather quickly from muscle meat, here we have a study where the average post-mortem time for flensing was 28.4 hrs and the researchers still found that Sperm Whale blubber contained «significant» carbohydrate reserves.

Researchers from around the world have been coming to Vancouver Island to study the Orca (Killer) whales for a few decades making Orca whales Read More...

Supplementing the acoustic data are visual sightings of orcas as they pass OrcaLab, and reports from land observation sites during the summer «season» as well as reports from other researchers and whale watchers who share observations and information.

The tanned, curly - haired researcher from California has lived on the ridge in a tent every summer since 1984, studying the whales and boat traffic.

Researchers with the National Oceanic and Atmospheric Administration and the Vancouver Aquarium have begun monitoring this population with a remotely operated hexacopter — a special drone that photographs the whale families from above.

Knowing the biota food source relationship to ice and what whales fed on what biota, the researchers were able to take the position of the whale kills from the admiralty records and map the decadal long position of the southern ice coverage.

Your essay shifts the focus from the presumably honest researchers who are presenting findings on how AGW can be seen in their otherwise obscure field (insect larvae development, frog vocalizations, swimming patterns of left - finned narwhal whales, whatever), to the folks who are using the situation for their personal or political gain.

From polar areas to equatorial waters, the whales ingested pollutants that may have been produced by humans thousands of miles away, the researchers said.

Rules intended to protect people from pollution are simultaneously saving the lives of whales by slowing down cargo ships, but researchers say more still needs to be done.

National Geographic reports that preliminary studies of the whales have researchers thinking that the strain of having to talk louder is taking away much needed energy from the whales, who are already having a harder time feeding due to declining salmon populations.

While the National Oceanic and Atmospheric Administration has already proposed a law to keep ships at least 600 feet from whales, at least one researcher says this wouldn't make any difference.

To prevent these ship strikes, NOAA Fisheries, alone with researchers from Oregon State University and the University of Maryland, has created a new tool that can predict where blue whales are likely to be congregating so that ships can avoid the «hotspots» and both ship and whale can continue their journey safely.

Now researchers from NOAA Fisheries, Oregon State University and the University of Maryland have combined that trove of tracking data with satellite observations of ocean conditions to develop the first system for predicting locations of blue whales off the West Coast.

In the Globe and Mail this morning, I learn that researchers have found that the songs of male humpback whales change from year to year and, indeed, propagate throughout the world community of humpbacks, rather in the way that pop tunes spread among human beings — or the way that negative advertising infects ever larger portions of the polity.