Polar bear. Medical search. Frequent questions

Polar bears are the top predator of the icy Arctic. (amnh.org)
when the ice begins to melt, polar bears head back to land, where they stay during the Arctic summer. (amnh.org)
How do polar bears survive their Arctic habitat? (nationalgeographic.com)
Polar bears roam the Arctic ice sheets and swim in that region's coastal waters. (nationalgeographic.com)
A group of polar bears has surrounded a team of Arctic researchers in a remote part of Russia, the WWF says. (cnn.com)
The presence of the bears is preventing a team of meteorologists and engineers from leaving the weather station on the island of Vaygach to measure water temperatures in the Arctic Sea. (cnn.com)
People living in the Arctic must be prepared to face with a polar bear," Nikiforov said in the statement . (cnn.com)
Arctic sea ice is the natural habitat of polar bears but it is melting away . (cnn.com)
As Arctic sea ice levels decline, so does the number of seals, which the bears depend on for food. (cnn.com)
But no arctic animal is as iconic as the polar bear. (barnesandnoble.com)
K-Gr 3-In this appealing follow-up to If Sharks Disappeared, a budding scientist travels to the Arctic, using polar bears as a framework for explaining the effects of climate change. (barnesandnoble.com)
There are 19 distinct populations of polar bears living in the Arctic, and monitoring how these bears are holding up- you can imagine what a challenge that is. (sciencefriday.com)
The discovery is of more than academic interest because in recent years hybrids of brown bears and polar bears have been spotted in the Arctic region. (independent.co.uk)
Biologists said that hybrids may therefore be crucial to the long-term survival of polar bears at a time when the Arctic sea ice is undergoing rapid melting during the summer months. (independent.co.uk)
Unless the pace of global warming is abated, polar bears could disappear within 100 years, says a University of Alberta expert in Arctic ecosystems. (sciencedaily.com)
While it has been known for some time that the polar bear is in trouble, new research shows that Arctic ice--the polar bear's primary habitat--is melting much faster than scientists had believed, says U of A biologist Dr. Andrew Derocher. (sciencedaily.com)
People in the Arctic have coexisted with polar bears for thousands of years. (polarbearsinternational.org)
Home to two-thirds of the world's polar bears, Arctic and Subarctic Canada has many Indigenous cultures and peoples that have co-existed with polar bears for thousands of years, and continue to co-exist with polar bears today. (polarbearsinternational.org)
People and polar bears coexist along the North Slope of Alaska, the region of coastline north of the Brooks Mountain Range, which spans two seas of the Arctic Ocean: the Chukchi Sea and the Beaufort Sea. (polarbearsinternational.org)
Many other Indigenous peoples live in Arctic Alaska outside of the polar bear's range. (polarbearsinternational.org)
From the Saami inhabiting northern Scandinavia east across Siberia to the Chukokta peninsula, the Russian Arctic is home to many Indigenous peoples who coexist with polar bears today. (polarbearsinternational.org)
Just over a dozen of us had traveled to Churchill, Manitoba, on the southern edge of the Arctic to witness one of nature's greatest spectacles: hundreds of wild polar bears congregating as they wait for the bay's water to freeze before crossing to their winter hunting grounds. (worldwildlife.org)
The rule excludes all activities outside the bear's range from important regulations under the Endangered Species Act, meaning the Act can't protect bears from the polluting emissions that are melting their Arctic home. (biologicaldiversity.org)
Working with a team of scientists from the US Fish and Wildlife Service for nearly a decade, Dr. Rode's monitoring of polar bear health has helped reveal how well populations are adapting to the rapidly warming Arctic. (sciencefriday.com)
Polar bears range throughout the Arctic. (sciencefriday.com)
One story grabs my attention: "Polar bears are the largest, strongest, and most blood-thirsty of Arctic predators," writes Dean Cluff, wildlife biologist for the Northwest Territories government. (justluxe.com)
Dozens of polar bears invaded a small Russian military town nestled on the southern end of the Arctic islands of Novaya Zemlya, forcing authorities to declare a state of emergency. (dailycaller.com)
Polar bears are a protected species in Russia, like in other Arctic countries, and will send scientists to assess the situation. (dailycaller.com)
News reports of the event point to declining Arctic sea ice cover around Novaya Zemlya as behind why an unprecedented amount of bears are forced onto land. (dailycaller.com)
Polar bears rely on sea ice to hunt seals, so scientists predict that reduced Arctic sea ice cover from global warming will force more bears to forage on land. (dailycaller.com)
This incident of winter problems with polar bears and others like it reported from the Russian Arctic, almost certainly reflect the confluence of a growing human presence in the Arctic and thriving polar bear populations, not lack of sea ice due to global warming," Crockford wrote. (dailycaller.com)
Polar bear cubs tend to stay with their mother for two and a half to three years while they learn from her how to survive in the Arctic. (nhm.ac.uk)
The only bears expected to survive would be those in northern Canadian Arctic islands and the west coast of Greenland. (mongabay.com)
Overall, bears are forecast to lose 42 percent of the Arctic range they need to hunt and breed during summer months. (mongabay.com)
asked Roberts, whose usual job is to care for polar bears, walruses and other Arctic animals at Point Defiance Zoo. (pdza.org)
Research testing new technology to more effectively locate polar bear dens across the Arctic is showing promising results. (scienceblog.com)
This is the first time this has ever been done, and we have great confidence this can be used in the arctic areas to detect polar bears in the snow. (scienceblog.com)
Polar Bears International is the only nonprofit organization dedicated solely to wild polar bears and Arctic sea ice, and the staff includes scientists who study wild polar bears. (scienceblog.com)
Polar bears live on the freezing polar ice pack of the arctic . (exploringnature.org)
Polar bears need sea ice to survive, however global warming has dramatically reduced the amount of sea ice in the Arctic. (ipsnews.net)
Bear safety is an important part of Churchill culture says David Allcorn, an expedition leader who has worked throughout the Arctic. (ipsnews.net)
A polar bear has been shot dead after it attacked a cruise ship employee on an Arctic archipelago. (sky.com)
Polar bears followed the expedition in the Arctic. (lu.se)
Diseases, which was devoted to Arctic Health and the International Polar Year. (cdc.gov)

Results of a pilot study aimed at improving den location in Churchill, Manitoba-using ARTEMIS Inc., an imaging system that relies on Synthetic Aperture Radar, or SAR-are published this week in the journal URSUS just ahead of Polar Bear Week (Oct. 29 - Nov. 4). (scienceblog.com)
Trends in mercury in hair of Greenlandic polar bears (Ursus maritimus) during 1892-2001. (cdc.gov)

The administration tells scientists attending international meetings not to discuss polar bears, climate change, or sea ice. (technologyreview.com)
Henceforth, if they are participating in a meeting "involving or potentially involving climate change, sea ice, and/or polar bears," they need to report this and have a spokesperson assigned to articulate the administration's policies. (technologyreview.com)
Fish and Wildlife director H. Dale Hale said this was not an attempt to censor scientists, though the travel memos specifically require that the traveler "understands the administration's position on climate change, polar bears, and sea ice and will not be speaking on or responding to these issues. (technologyreview.com)
Key studies and observations documenting climate change impacts to polar bears are summarized below. (biologicaldiversity.org)
Unfortunately, the endangered polar bear is threatened with extinction due to rapid climate change that is causing the ice where it hunts/lives to melt at an alarming rate. (barnesandnoble.com)
Though the subject matter may affect readers of a sensitive nature, Williams tempers the book's unpleasant reality with her final pages, showing her unnamed main character researching polar bears and motivated to find solutions to climate change. (barnesandnoble.com)
Each year, Rode and her team head out to study the bears, gathering information about their health in a changing climate. (sciencefriday.com)
Generally, this seems to happen when climate changes force the bears to move into each others' habitat. (independent.co.uk)
Modern polar bears are bigger than brown bears and are adapted to a cold climate and a predatory behaviour that relies on long bouts of swimming between the ice pack. (independent.co.uk)
The climate predictions coming out are showing massive changes in sea-ice distribution," said Derocher, who follows polar bears to see how they adapt to changing conditions. (sciencedaily.com)
Once climate warming initiates, you get into a self-warming cycle," said Derocher, who earned international renown as a polar bear and northern studies expert at the Norwegian Polar Institute in Tromso before returning to the University of Alberta, where he completed his doctorate. (sciencedaily.com)
He adds that it is possible a warmer climate will improve polar bear and seal habitats in the short term, mainly in higher latitudes where ice is too thick for seal hunting. (sciencedaily.com)
Wouldn't it be nice if we could debate climate change for five minutes without hearing about polar bears or being subjected to footage of them perched precariously on a melting ice floe? (spectator.co.uk)
Polar bears have become the pin-ups of climate change, the poor creatures who are supposed to jolt us out of thinking about abstract concepts and make us weep that our own selfishness is condemning these magnificent animals to a painful and hungry end. (spectator.co.uk)
The bears usually leave the islands in the summer, but this time they were stranded by the melting ice, an apparent sign of climate change, according to Shevchenko. (nbcnews.com)
Polar bears have come to symbolise the effects of a warming climate and the loss of habitat that is spreading around the natural world. (nhm.ac.uk)
The result is challenging for residents, but a marvelous opportunity both for tourists and scientists who study polar bears to better protect them from the threat of climate change. (pdza.org)
A critical part of polar bear conservation is keeping mothers and cubs safe while also addressing other threats such as climate change. (scienceblog.com)
Climate change is listed once again as the biggest threat to Polar Bears. (rcinet.ca)
A new report has once again indicated climate change as a principle threat to polar bears. (rcinet.ca)
Based on the latest, most robust science, this assessment provides evidence that climate change will continue to seriously threaten polar bear survival in the future," says Inger Andersen, IUCN Director General. (rcinet.ca)
Siegel says the polar bear is the first species to be placed on the endangered list solely because of climate change. (ktoo.org)
The science on climate change the very real threats on the polar bear have long been indisputable. (ktoo.org)
This study exploits new methods but it is hoped that the results will explore how climate change affects foraging success and movement patterns of polar bears and may provide insight into the decline in polar bear body condition associated with demographic changes and the documented population decline. (kansascityzoo.org)
According to NWT Species at Risk, the most serious long-term threat to polar bears in the NWT is climate change from the melting of sea ice. (nnsl.com)
In the last 15 years, polar bear hunters in eastern Greenland have had to adapt their hunting practices because of climate change, according to a new survey published this week in the journal Frontiers in Maritime Science. (cbc.ca)
The hunts have also been taking place closer to town, as traditional routes for both hunters and bears along the sea ice and the Greenland ice cap are no longer there or no longer safe due to climate change, hunters said. (cbc.ca)
Some experts speculate that climate change could contribute to future spread of the Zika virus as well as other mosquito-borne illnesses. (medscape.com)

Seals are the polar bear's favorite meal. (amnh.org)
The polar bear's skin is black. (amnh.org)
When a member of a Polar Bear Patrol takes action, they record what they did and the bear's reaction to it, along with the bear's age, sex and body condition. (defenders.org)
A polar bear's front paws propel them through the water dog-paddle style. (seaworld.org)
A polar bear's nostrils close when under water. (seaworld.org)
The polar bear's plight is so clear and so dire there was really no question they deserved protection under the Endangered Species Act," Siegel says. (ktoo.org)

Female polar bears with cubs generally avoid adult male bears, which sometimes attack the young and eat them. (athropolis.com)
In fact, mother bears have been known to rear up and leap at helicopters carrying research scientists when they thought they were getting too close to their cubs. (athropolis.com)
Bears in the Southern Beaufort and Chukchi Seas are being forced to swim increasingly longer distances to find stable ice or reach land, increasing mortality of their cubs (Pagano et al. (biologicaldiversity.org)
One poignant spread depicts a bewildered polar bear mom, eyeing readers and flanked by her twin cubs, drifting on a shrinking ice floe. (barnesandnoble.com)
The research also found that only 43 percent of polar bear cubs in the surveyed area survived their first year, compared to a 65 percent survival rate in the late 1980s and early 1990s. (mongabay.com)
Prague Zoo spokesperson Vít Kahle says: "We will have to wait for five or six years for the bear to be able to become a father to new cubs. (today.com)
A mother polar bear and her cubs. (scienceblog.com)
Researchers from Simon Fraser University and Brigham Young University (BYU), collaborating with Polar Bears International, hope that improving detection tools to locate dens-which are nearly invisible and buried under snow-will help efforts to protect mother polar bears and their cubs. (scienceblog.com)
Polar bears cubs are born blind with only a light layer of fur to protect them from the cold. (scienceblog.com)
Polar bear cubs nurse on milk for more than a year and a half. (exploringnature.org)
Female polar bears with cubs are protected from hunting under the quota system Greenland introduced in 2006. (cbc.ca)

Two-thirds the world's polar bears could be threatened with extinction by 2050 due to melting sea ice resulting from global warming, said U.S. government scientists Friday. (mongabay.com)
The State of the Polar Bear is the authoritative source for the health and status of the world's polar bears. (commarts.com)

Slightly farther south the Gwitch'in and Athabascan peoples also coexist with polar bears, although they live farther from the sea ice and primary polar bear habitat. (polarbearsinternational.org)
Blanketed in snow and ice, this remote wilderness provides ideal habitat for the iconic bears. (worldwildlife.org)
Projected changes in the spatial distribution and integrated annual area of optimal polar bear habitat. (mongabay.com)
Base map shows the cumulative number of months per decade where optimal polar bear habitat was either lost (red) or gained (blue) from 2001-2010 to 2041-2050. (mongabay.com)
In the late 1970s a tourism operator built Tundra Buggies, school-bus-sized, four-wheel-drive vehicles with two-metre high wheels to navigate the roadless tundra while safely allowing tourists to see polar bears in their natural habitat. (ipsnews.net)
Melting sea ice affects the habitat of the bear by not having access to prey, areas to sleep and it will increase human-bear interactions. (nnsl.com)

Derocher says if global warming continues unchecked, some remnant populations of polar bears may manage to hang on in the high Canadian archipelago or on permanent polar ice at very high latitudes. (sciencedaily.com)

The survival of juvenile, subadult and older bears declined from 1984 to 2004 in the Western Hudson Bay, which was linked to earlier sea-ice breakup (Regehr et al. (biologicaldiversity.org)
The survival of polar bears of all age classes in the Northern Beaufort Sea decreased with declines in the sea-ice concentration over shelf waters in the Northern Beaufort Sea (Stirling et al. (biologicaldiversity.org)
Each spread describes how polar bears impact other animals in their ecosystems and the importance of sea ice to the survival of living things. (barnesandnoble.com)
The Chukchi Sea bears, so far, comparing condition and cub survival since the 1980s to the current data we're collecting, suggests that the bears there have stayed in pretty good condition," she says. (sciencefriday.com)
This week, the government announced plans to reissue a Bush rule that leaves polar bears unprotected from the main threat to their survival: greenhouse gas emissions. (biologicaldiversity.org)
Sadly, the pinkish hue of the sky is not the result of a setting Sun but rather smoke from forest fires raging further south, threatening the survival of this young bear. (nhm.ac.uk)
On the IUCN website Dag Vongraven, Chair of IUCN's Species Survival Commission's (SSC) Polar Bear Specialist Group is quoted saying "IUCN is actively working with those countries, providing scientific data and advice to help implement the agreed plan in the most efficient and cohesive way possible. (rcinet.ca)

A survey in the Chukchi Sea in August 2008 recorded 10 polar bears swimming in open water, with one bear more than 60 miles from shore (Clarke et al. (biologicaldiversity.org)
Rode says that for polar bears, which spend the majority of the year hunting seals and other prey on the ice, shrinking habitats like the Chukchi Sea are already having an effect. (sciencefriday.com)
Rode's research shows that for the moment, bears in the Chukchi Sea are doing all right. (sciencefriday.com)
My name is Karen Rode, and I'm a wildlife biologist for the United States Geological Survey, and I study polar bears in the Chukchi Sea. (sciencefriday.com)

Now, she was on screen to teach the Tacoma students how to protect wild polar bears as a part of their nature-based science curriculum Wildlife Champions, a three-year project initiated by Point Defiance Zoo in partnership with Metro Parks Tacoma's Northwest Trek, Tacoma Nature Center and Metro Arts. (pdza.org)
Frontiers are a tremendous partner in our conservation and education efforts," said Kt Miller, of Polar Bears International (PBI), a world-renowned non-profit organization dedicated solely to the conservation and protection of wild polar bears, and the sea ice they depend on. (ipsnews.net)

If Polar Bears Disappeared uses accessible, charming art to explore what would happen if the sea ice melts, causing the extinction of polar bears, and how it would affect environments around the globe. (barnesandnoble.com)
But the potential for extinction is still a cause for concern: "You don't have to be a polar scientist to see that if you take away all the sea ice, you don't have polar bears any more. (sciencedaily.com)

There are about 15,000 polar bears in northern Canada, accounting for about two-thirds of the world's total population. (sciencedaily.com)

When the ice melts earlier in the year, polar bears have less time to hunt and build up the fat they need to survive in warmer months. (amnh.org)
Exposure was found throughout North America and are associated highest in boreal caribou and increased from baseline with febrile illness and cases of neuroinvasive disease in polar bears after warmer summers. (cdc.gov)

The proportion of polar bear maternal dens on pack ice decreased between 1985 and 2005 in the Southern Beaufort Sea as fall ice freeze-up was delayed and stable ice and snow cover declined (Fischbach et al. (biologicaldiversity.org)
The world's largest terrestrial carnivores, polar bears rely on sea ice to survive, using it to pass between forest dens and hunting grounds where they prey on seals. (sciencedaily.com)
Hik says there is also new research looking at the harmful effect of drought-related forest fires on polar bear dens, which are built in mature forests. (sciencedaily.com)
While our method is still in its research and testing phase, an operational version is expected to be able to extrapolate from the radar signatures of live bears in the open, combined with computer modelled den cavity radar signatures, to develop a robust match filter detection for airborne multi-channel SAR data to detect polar bears reliably inside their dens. (scienceblog.com)
Denning is the most vulnerable time for polar bears, and with increased industry activity in the region, there is a need for more accurate tools that can detect polar bear dens to avoid disturbing them during this critical time. (scienceblog.com)

The Southern Beaufort Sea population appears to have declined from an estimated 1,800 bears in 1986 to 1,526 bears in 2006, which has been attributed to loss of sea ice (Obbard et al. (biologicaldiversity.org)
Skull size and body length of polar bears three years and older declined over time between 1982 and 2006 in the Southern Beaufort Sea, which was attributed to increased nutritional stress (Rode et al. (biologicaldiversity.org)
Three (and likely four) polar bears that had starved to death were found in the Southern Beaufort Sea during the spring of 2006 (Regehr et al. (biologicaldiversity.org)
Surveys during September 2004 in the Southern Beaufort Sea reported 14 of 55 polar bears (25%) in open water, of which 4 bears were drowned. (biologicaldiversity.org)
Polar bears in the nearby Beaufort Sea, north of Alaska, have also faced significant ice loss, and are showing signs of stress. (sciencefriday.com)
Over the last 30 years, sampling in the Southern Beaufort Sea has collected claw shavings (i.e., collected with nail trimmers) and hair samples from live-captured polar bears. (kansascityzoo.org)
We will explore the utility of using stable isotopes to understand changes in the distribution, diet, and migration patterns of polar bears in the Southern Beaufort Sea. (kansascityzoo.org)

The Western Hudson Bay population declined by 22% between 1987 to 2004, which was attributed to earlier sea-ice breakup in spring, shortening the time that bears can hunt on the ice (Regehr et al. (biologicaldiversity.org)
Body condition and cub production of bears in Western Hudson Bay declined between 1981 and 1998, linked to earlier sea-ice breakup and nutritional stress (Stirling et al. (biologicaldiversity.org)
Scientists have no evidence yet of a drop in polar bear populations, but body weights and reproductive rates of bears in the Hudson Bay are on the decline," said Derocher. (sciencedaily.com)
Awe and excitement filled our Polar Rover the first day we ventured out on the partially frozen Hudson Bay. (worldwildlife.org)
He scouted for three days around Hudson Bay, Canada, before finally spotting this young female bear. (nhm.ac.uk)
A November 2006 study published by scientists from the U.S. Geological Survey and the Canadian Wildlife Service, revealed a 22 percent decline in the size of the western Hudson Bay polar bear population between 1987 and 2004. (mongabay.com)
Meanwhile in September 2006, Ian Stirling, a research scientist with the Canadian Wildlife Service, reported that the average weight of adult female polar bears in western Hudson Bay have fallen from 650 pounds in 1980 to just 507 pounds in 2004. (mongabay.com)
The cold waters of Hudson Bay bring polar bears into the area in October and November, while the mouth of Churchill River brings thousands of five-metre-long, pure white Belgua whales in June and July. (ipsnews.net)

If polar bears are to survive, we have to directly confront the greatest threat to them: our greenhouse gas emissions," said the Center's Kassie Siegel. (biologicaldiversity.org)

Polar bears were listed as "threatened" under the Endangered Species Act in 2008, becoming the first species U.S. officials listed because of the future threat of global warming. (dailycaller.com)
Declining sea ice is a major threat to polar bears, which are currently being considered for protection under the Endangered Species Act. (mongabay.com)

And while the ultimate consequences of the rapid melt to wildlife is still unknown, one of the animals that is already being affected is the polar bear- the iconic polar bear. (sciencefriday.com)

when the ocean freezes in the winter, polar bears travel hundreds of miles over floating sheets of sea ice to hunt their favorite meal--seals. (amnh.org)
One of the primary mechanisms in which we think polar bears are affected by sea ice loss is that they have to have the sea ice to access their primary prey, which are ice-associated seals," Rode explains. (sciencefriday.com)
Unlike grizzly bears, polar bears aren't adapted to hunting land animals like caribou, instead feeding primarily on seals. (mongabay.com)
As it does, hungry polar bears that have been roaming the tundra all summer come straight through the town on the way to the sea ice to hunt for seals. (pdza.org)
They eat mostly seals, making them the only pure meat eater (carnivore) of all the bears in North America. (exploringnature.org)
Seals are their main food source but the bears can only catch them when the bay is frozen. (ipsnews.net)
Polar bears need the ice to hunt, primarly seals, and as the ice season gets shorter, and more unpredictable, the bears are going hungry longer. (rcinet.ca)
Without ice to hunt seals, bears are turning to other sources with limited success. (rcinet.ca)

Polar bears are so well insulated they tend to overheat. (seaworld.org)

This multi-part data visualization tool provides a detailed look at each of the nineteen polar bear subpopulations, exploring the factors that have influenced their health status ratings, as defined by the International Union for the Conservation of Nature. (commarts.com)
It started after the same team completed their survey of the Baffin Bay and Kane Basin polar bear subpopulations, which roam between Nunavut and western Greenland. (cbc.ca)

What positive or negative impacts would have on polar bears if they are listed? (nnsl.com)

Five hungry polar bears have surrounded a team of unarmed researchers at a remote outpost in northern Russia. (cnn.com)
The sea, which stretches between northwestern Alaska and northeastern Russia, is home to one of the Arctic's 19 distinct polar bear populations . (sciencefriday.com)
Polar bears seen from an icebreaker in Russia in July 2007. (nbcnews.com)
U.S. Geological Survey biologists said the United States (the north coast of Alaska) and Russia will likely lose all of their polar bear populations due to thinning and disappearing sea ice. (mongabay.com)
The tool was commissioned by the Polar Bear Specialist Group-a scientific collaboration of the five polar bear nations: Canada, Denmark, Norway, the US and Russia. (commarts.com)
Polar bears are found across northern Canada, Alaska, Greenland and even Russia. (exploringnature.org)

The order to squelch talk about polar bears came in a "new requirement" listing to government scientists traveling abroad. (technologyreview.com)
Are you ready to talk about polar bears? (pdza.org)

Roberts, as a zookeeper who works daily up close with polar bears, is uniquely positioned to tell the public just how amazing they are - and how much they are at risk from starvation as the sea ice melts from warming global temperatures. (pdza.org)

This helpful bear even hunts and fishes for his human mother. (justluxe.com)

When I came to study polar bears, it was coming at a time when we needed to be able to understand more about polar bears. (sciencefriday.com)

She'd been invited to Churchill by non-profit conservation group Polar Bears International to do exactly that, and now she was giving the message to Arlington's future scientists and wildlife protectors. (pdza.org)
We truly hope that the action plan will make a difference for polar bear conservation. (rcinet.ca)

My earliest studies on bears were addressing how important vegetation may be in the diet of grizzly or brown bears. (sciencefriday.com)

For example, if bears become too familiar with people and cars, more forceful methods may be required to deter the bears. (defenders.org)
The puppies are not yet big enough to deter the bears, but the station is planning to draft in a replacement adult guard dog as soon as possible. (nbcnews.com)

A shorter spring hunting season caused by progressively earlier breakup of sea ice, reduces the chances of reproductive success for female polar bears. (mongabay.com)

Cameras click as twenty feet from our polar rover, two yellowish polar bears stand on their hind legs, swatting each others shoulders and heads. (justluxe.com)

Researchers tried to scare the bears off with flares, but they were undeterred, and the WWF says team has no other weapons. (cnn.com)
The bears sleep near the station and have been seen fighting with one another outside the building in recent days, one of the researchers at the station told Viktor Nikiforov , the head of the WWF Polar Bear Patrol project. (cnn.com)
The presence of the bears means that the researchers have been unable to make their twice daily trip, several hundred meters from the weather station, to measure water temperatures in the sea. (cnn.com)
The WWF statement said the Polar Bear Patrol was keeping in touch with the researchers and appealing to the Russian government to provide the weather station with the "necessary equipment and means of scaring the polar bears. (cnn.com)
Researchers found that two to three times as many polar bears were in a fasting state in 2005 and 2006 compared with 1985 and 1986, indicating increased nutritional stress (Cherry et al. (biologicaldiversity.org)
When the researchers spot a bear, they tranquilize it from the helicopter, then land and make sure the bear is comfortable. (sciencefriday.com)
Researchers speculate that greater distances between ice sheets could be taking a toll on the bears. (mongabay.com)

NWT Species at Risk is considering putting polar bears back on the species at risk list under "special concern" for 10-years. (nnsl.com)
Northwest Territories residents are being asked whether polar bears should be placed back on the species at risk list under the category of "special concern. (nnsl.com)
Why should polar bears be relisted as "special concern" to the NWT List of Species at Risk? (nnsl.com)

Polar bears are attractive and appealing, but they are powerful predators that do not typically fear humans, which can make them dangerous. (nationalgeographic.com)

We need to help polar bears, to save their sea ice. (pdza.org)

When the seal surfaces to take a breath, the polar bear pulls the seal onto the ice. (amnh.org)
If a seal is already on the ice, a polar bear may stalk it by land or swim up and surprise it from the ice edge. (amnh.org)
Polar bears have a very specialized diet - typically, 70 percent of their diet is composed of one or two seal species. (sciencefriday.com)
Days later, she calls his name, and the bear returns, bringing salmon and seal. (justluxe.com)
This is generally caused by people eating improperly prepared - traditionally prepared - fermented subsistence foods, such as fish or seal meat or infections with a parasite called trichinosis where they get that from consuming uncooked bear or walrus meat. (cdc.gov)

Read more in The Los Angeles Times and learn about the Center's long fight to save polar bears . (biologicaldiversity.org)
Enwl-eng] Save Polar Bears from the Russian Wrangel Island! (google.com)
Because that's what we need to do to save polar bears. (ktoo.org)

I recall that over five polar bears are in the [military] garrison chasing people and entering residential buildings," Musin said. (dailycaller.com)

Fish and Wildlife officials want to be sure that "the one responding to questions on these issues, particularly polar bears," understands the administration's position on these topics. (technologyreview.com)
Becoming a patroller requires specialized knowledge about bear behavior and use of deterrents, and training is provided by the North Slope Borough and U.S. Fish and Wildlife Service (FWS). (defenders.org)
Documentation is important so wildlife managers and others can learn more about how to safely deter bears. (defenders.org)
He recently made the trip with Karyn Rode, a wildlife biologist at the US Geological Survey, to film her work with the bears for Science Friday. (sciencefriday.com)
As we traveled through Churchill's Wildlife Management Area, it wasn't long before we encountered a pair of sparring male bears. (worldwildlife.org)
For USGS wildlife biologist Karyn Rode, tracking and tranquilizing polar bears from a helicopter are just the first thrilling steps in her research. (sciencefriday.com)
Local officials are considering culling the bears, though Russia's wildlife agency has not issued any licenses to kill polar bears. (dailycaller.com)
Polar bears have featured heavily in the Wildlife Photographer of the Year awards over the last decade. (nhm.ac.uk)
It was a Wildlife Champions assembly, complete with polar bear skull and pelt, and on the screen was Zoo staff biologist Cindy Roberts. (pdza.org)
Siegel says it's only a matter of time before Fish and Wildlife has to upgrade the polar bears' status from threatened to endangered. (ktoo.org)

Polar bears are poor swimmers because they are so heavy and have such thick fur. (amnh.org)

A Tundra Buggy with tourists watch a polar bear in Churchill, Manitoba, Canada. (ipsnews.net)
The worker, a designated polar bear guard, suffered a head injury as he led tourists off the ship. (sky.com)

The Polar Bear Specialist Group of the IUCN determined that 8 of 19 of the world's polar bear populations are declining, 3 are stable, 1 is increasing, and the status of 7 is unknown (Obbard et al. (biologicaldiversity.org)

This excellent insulation keeps a polar bear warm even when air temperatures drop to -37°C (-34°F). (seaworld.org)

When the adult villagers decide the grown bear is too dangerous and must be killed, his alarmed mother sends him away. (justluxe.com)

Polar bears can tolerate some environmental variation from year to year, foregoing reproduction in any given year if conditions are poor. (sciencedaily.com)
You have one chance to get out and see the bears every year and get your data and find out how they're doing. (sciencefriday.com)
Every year you're going out to the ice and trying to find bears, not knowing where they may be. (sciencefriday.com)
But we have days every year where we never find a bear. (sciencefriday.com)
And even though frozen solid eight months of the year, the bay sustains the nearly 800 residents of Churchill which is known as the "Polar Bear Capital" of the world. (ipsnews.net)
Earlier this year, a polar bear reportedly killed Aaron Gibbons, 31, as he was protecting his children in Nunavat, the most northern territory in Canada. (sky.com)
The polar bear [listing] is based on a 45 year projection," Geraghty says. (ktoo.org)
Some thought it was the quota system, as they felt it was mainly after the permitted number of bears were killed for the year that bears began wandering into town. (cbc.ca)

According to the environmental group the World Wide Fund for Nature, known as the WWF, this has prompted some polar bears to go near human habitats in search for food. (nbcnews.com)

After acquiring various samples from sleeping bears, Dr. Rode's unique understanding of what they eat and how quickly they metabolize nutrients allows her to determine the condition of each bear. (sciencefriday.com)

One researcher estimates that polar bears dive no deeper than 6 m (20 ft. (seaworld.org)

The report says its scientists used a variety of computer models based on current and historical sea-ice conditions and polar bear sub-population data to make its projections which indicate a probable scenario of substantial loss in overall bear populations saying the species could decline by 30 percent over the next three to four decades. (rcinet.ca)

Scientists have traced the maternal ancestry of modern polar bears to a female brown bear that lived in the vicinity of Britain and Ireland prior to the peak of the last ice age when polar bears and brown bears probably interbred regularly. (independent.co.uk)
We found that brown bears and polar bears, which are hybridising today in the wild, have been hybridising opportunistically throughout the last 100,000 years and probably longer,' said Beth Shapiro of the Pennsylvania State University, who led the study published in the journal Current Biology. (independent.co.uk)

Before climbing aboard a polar rover and heading into the tundra, our group tours Churchill's fascinating "Eskimo Museum. (justluxe.com)
Our group climbs aboard a polar rover emblazoned with "Great White Bear Tours. (justluxe.com)
According to Hapag Lloyd Cruises, all of its cruise ships travelling in the region are obliged to have polar bear guards aboard. (sky.com)

This data allows scientists to see if bear behavior is changing over time. (defenders.org)
This enabled them to trace the evolutionary history of the maternal line of the bears and match it to geographical movements over time, which led to the mother of all polar bears. (independent.co.uk)
Crockford said "the region has not had abundant sea ice by December in more than 30 years, yet this is the first time the town has had such a problem with polar bears. (dailycaller.com)
Other reports indicate that drowned polar bears are being found for the first time in Alaska. (mongabay.com)
Twenty-five full time polar bear hunters from the settlements of Tasiilaq and Ittoqqortoormiit were interviewed between December 2014 and March 2015 for the survey. (cbc.ca)

Polar bears make shallow dives when stalking prey, navigating ice floes, or searching for kelp. (seaworld.org)

Interactions can be as simple as the patrol driving up in a vehicle to scare the bear away. (defenders.org)
The team, which consists of two meteorologists and an engineer, tried to scare them off with flares, but the bears were undeterred - and the Russian WWF says the team has no other weapons at its disposal. (cnn.com)
The five meteorologists ran out of signal flares that they had been using to scare away the bears, which had eaten their guard dog. (nbcnews.com)
Precautions have been taken to protect school children and special escorts shuttle military personnel around the town, what's troubling, however, is that the bears are unfazed by attempts to scare them off. (dailycaller.com)

IQ is of particular relevance to polar bears since most of the Indigenous peoples that coexist with polar bears across the circumpolar north share a common Inuit ancestry. (polarbearsinternational.org)
I bought a charming child's book titled "The Polar Bear Son," by Lydia Dabcovich about an Inuit woman raising an orphaned polar bear cub. (justluxe.com)

Get yourself a Polar Bear Coat and keep warm, while looking ferocious like a bear. (geekalerts.com)
If their paths cross, highly protective mother bears can become very ferocious. (athropolis.com)

Sure enough, as soon as Eirik retreated to his boat, the bear headed straight for the camera, knocking it with his paws and investigating the strange device. (nhm.ac.uk)

And while polar bears can swim dozens of miles when they need to, less ice makes for longer and more tiring swims. (amnh.org)

Polar Bears International's mission is to conserve polar bears and the sea ice they depend on. (scienceblog.com)

Churchill, in Manitoba Canada , is known as "The Polar Bear Capital of the World. (justluxe.com)
The lone bear stands out, exposed against the black jagged rock of a steep cliff on Baffin Island, Canada. (nhm.ac.uk)

The receding sea ice has forced the bear to hunt for land-based foods, a deviation from its usual diet. (nhm.ac.uk)

I'm on my way to join Churchill Nature Tour's "Polar Bear Adventure. (justluxe.com)
She was Skyping live from Churchill, Manitoba, where she'd just spent two weeks as a polar bear ambassador. (pdza.org)
Zoo staff biologist Cindy Roberts Skyping from Churchill, while Megan Soland illustrates polar bear fur. (pdza.org)
Fifty years ago any bear near Churchill would be shot on sight. (ipsnews.net)
Although there are no roads to Churchill, it is less than three hours by plane from Winnipeg, Manitoba's international airport, making it relatively easy to see polar bears in the wild. (ipsnews.net)

Polar bear abundance has increased in the last few decades because of restrictions on hunting. (dailycaller.com)
There have been no previous scientific abundance estimates of the eastern Greenland polar bear subpopulation. (cbc.ca)

Polar bears live in one of the planet's coldest environments and depend on a thick coat of insulated fur, which covers a warming layer of fat. (nationalgeographic.com)

The mother of all polar bears lived in the British Isles about 100,000 years ago and she was not white but brown, according to a genetic study of the Arctic's biggest land predator. (independent.co.uk)
The only predator that kills polar bears is man, though one polar bear may kill another. (exploringnature.org)

But here, I get to go out on tundra buggies - like giant buses - and see polar bears in the wild," Roberts went on, swiping through photos of Churchill's bleak, snowy tundra. (pdza.org)

Anatomy6

Organisms4

Chemicals and Drugs4

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Phenomena and Processes8

Information Science2

Health Care2

Geographicals4

Arctic44

Ursus2

Climate28

Bear's6

Cubs11

World's polar bears2

Habitat6

Populations of polar bears1

Survival7

Chukchi Sea4

Wild polar bears2

Extinction2

15,0001

Warmer2

Dens5

Beaufort Sea7

Hudson Bay8

Survive1

Threat2

Iconic1

Seals8

Overheat1

Subpopulations2

Impacts1

Russia6

Talk about polar bears2

Melts1

Hunts1

Study polar bears1

Conservation2

Grizzly1

Deter the bears2

Reproductive1

Hind legs1

Researchers7

Species at r3

Predators1

Help polar bears1

Seal5

Save polar3

Five polar1

Wildlife10

Swimmers1

Tourists2

Specialist Group1

Temperatures1

Adult1

Year8

Search1

Rode's1

Researcher1

Decline1

Brown Bears2

Aboard3

Time5

Prey1

Scare4

Inuit2

Ferocious2

Paws1

Dozens1

Conserve1

Canada2

Hunt1

Churchill5

Abundance2

Depend1

Predator2

Tundra1