Sentences with word «bowhead»
Bowhead is a word that refers to a type of large whale with a big head and curved mouth. Full definition
In 2004, during an aerial survey of bowhead whales in the Beaufort Sea north of Alaska, Monnett and his colleague Jeffrey Gleason observed four dead polar bears.
newscientist.com
[In response to MrPete's] # 52 Historic evidence may be found in the DNA of Bowhead whales.
But after reports that someone doing an aerial survey for bowhead whales in Alaskan waters spotted around 10 bears swimming well offshore, the World Wildlife Fund distributed an unrelated picture (above) of a swimming bear, taken earlier this month, to drive home the idea that melting ice is making times tough up north.
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Some contend that Shell's emergency - response plans have holes, and that even regular operations could disrupt species such as bowhead whales.
Belugas sometimes migrate with bowhead whales.
According to court documents filed by Natanine and the Hamlet of Clyde River, other animals that could be affected include bowhead whales, seals, and walruses.
But in 2010 I co-authored a paper with two sea ice experts and a historian / ethnologist in which we used nineteenth - century records from whaling ships hunting bowhead whales in the north Pacific and beyond, along the Arctic sea ice edge.
Davis Strait and Disko Bay, Greenland, were not used by bowhead whale for foraging, at least not in spring or summer.
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His team has also flown drones over the Arctic Ocean to track bowhead whale populations with a view to keeping the oil industry out of their way.
Several times, we learn, indigenous knowledge has surpassed that of the scientists: In 1977 the International Whaling Commission ordered whaling stopped, saying bowhead whale numbers were alarmingly low.
Telemetry data showed that polar bears with 15N - depleted hair sections were located on multiple dates near known subsistence - harvested bowhead whale bone piles and had spent 90 % of the prior year within 50 km of the shore.
Considering the apparent importance of the Gulf of Boothia and Lancaster Sound as summer feeding areas for the eastern Canada - west Greenland bowhead whale population, as indicated by recent IPY results, every effort should be made to maintain the integrity of these ecosystems by limiting additional environmental alterations and human activities within their critical habitat.
Bowheads entered the passage in 2002 and 2006, but this was the first time two were seen to cross paths (Biology Letters, DOI: 10.1098 / rsbl.2011.0731).
There it met a second bowhead, which had entered the passage from Baffin bay, next to Greenland.
Native hunters must take their boats farther out on the sea, under more dangerous conditions, to capture bowhead whales.
Biologists also built on Iñupiaq observations to learn that bowheads possess a sense of smell, unlike most other whales.
A Greenland shark has lived at least 272 years, making the species the longest - lived vertebrate in the world — smashing the previous record held by a 211 - year - old bowhead whale.
When marine biologist Sarah Fortune spotted bowhead whales rolling onto their backs in coastal waters near Canada's Baffin Island several summers ago, she was baffled.
Bowheads also are better at keeping abnormally dividing cells in check.
Together, the changes appear to allow bowhead whales to live longer without developing age - related diseases such as cancer, says de Magalhães.
But the whales seem to get sick of their songs relatively quickly as each song was only sung Read more about Bowhead whales prolific composers - Scimex
This careful normoglycemia, nearing border controlled hypoglycemia, render blood glycation / glycoxidation almost to very low levels (we can infer its glycated albumin and glycated hemoglobin HbA1c are kept low, another study verified blood glycemia in pregnant and non-pregnant bowhead adult females and their levels fell within non-diabetic normal human levels (4 to 6 mmol / L, 72 to 108 mg / dL glucose).
Whether hunting giant bowhead whales with native Alaskans who are struggling to protect their livelihood, or tracking endangered polar bears in Norway, Cone reports with an insider's eye on the dangers of pollution to native peoples and ecosystems, how Arctic cultures are adapting to this pollution, and what solutions will prevent the crisis from getting worse.
Watch out for polar bears and the rare Bowhead whale.
The IWC Bowhead, Right and Gray Whale subcommittee in 2011 reiterated the conservation risk to western gray whales is large because of the small size of the population and the potential anthropogenic impacts.
I suggest Dyson to check out the history of Bowhead whalers (17th to 20th centuries), never going from Alaska to Greenland chasing their prey.
Scott McVay, a pioneer in the study of whale vocalizations, wrote to express his concerns that the article didn't get in the vantage point of the species perhaps more at risk — the ancient bowhead whale.
Other methods include a combination of visual and acoustic techniques (e.g. bowhead whales off Alaska) or mark - recapture techniques using the natural marks found on some species that allow individuals to be identified (e.g. humpback whales in the North Atlantic).
Bears with hair section δ15N values at or above the mean spent no time near bowhead whale bone piles and less than half of the year nearshore.
Bears that come to the Beaufort Sea shore in autumn are feeding from the pile of bowhead scraps left by local Inupiat whale hunters, a contrast with Beaufort Sea bears that stay out on sea ice farther north, he said.
This may increase food competition among bowhead whales that once had this region to themselves.
A. Several whale populations are indisputably endangered, including western gray whales (eastern gray whales, which are the population of gray whales found on the Pacific coast of North America, are no longer considered endangered), eastern bowhead whales, North Atlantic and Pacific right whales, blue whales, and most humpback whales.
The diet was also found to vary among groups of individuals, which suggests specialization within bowhead whales as targeted prey were the same regardless of the region exploited.
Southern right whale and western bowhead whale populations are depleted but appear to be recovering; this does not mean that they should no longer be considered endangered, but simply that they are doing much better than their cousins in terms of recovery.
By synthesizing their community's observations they have demonstrated a greater accuracy counting Bowhead whales and polar bears than the models of credentialed scientists.
The Arctic provides vital habitat for polar bears, endangered bowhead whales, and more.
Greenland will also be permitted to hunt two bowheads per year, but only if the Scientific Committee gives approval.
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Killer whales, which have been seen preying on bowheads in the gulf, also occur here.
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That passage is a migratory route for bowhead whales, and also bearded seals and ringed seals.
Ten other populations are increasing, the study found, including bowhead whales and walrus, while nine others are stable.
Lancaster Sound, Baffin Bay and the Gulf of Boothia were the three main summer feeding areas used by bowhead whales.