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Gut changes in polar bears linked to retreat of Arctic sea ice

August 8, 2019

Retreating sea ice in the Arctic is altering the gut bacteria of polar bears, potentially holding negative implications…
Polar bears gorged on whale carcasses to survive past warm periods, but strategy won’t suffice as climate warms

October 12, 2018

Polar bears likely survived past warm periods in the Arctic, when sea ice cover was low, by scavenging…
Polar bears have lived in a very hot climate before, but will they survive current climate change?

August 28, 2017

While the causes of the warming climate are still debating, the fact is that we are constantly breaking…
Increased Sea Ice Drift Puts Polar Bears on Faster Moving Treadmill

June 8, 2017

A new study led by the U.S. Geological Survey and the University of Wyoming found that increased westward…
Polar bears not finding adequate food on land to prevent weight loss

September 14, 2016

Access to land-based food is not sufficient to reduce overall mass loss rates of fasting polar bears reveals…
Polar Bear Outlook Favorable Under Certain Scenarios

June 30, 2016

In an updated study evaluating threats to the long-term persistence of polar bears, scientists found that aggressive greenhouse…
Sink or swim: polar bears swimming more as sea ice retreats

April 22, 2016

As a result of changes in the amount and location of summer sea ice, researchers have found that…
Risk of interbreeding due to climate change lower than expected

July 7, 2015

One of the questions raised by climate change has been whether it could cause more species of animals…
Greenhouse Gas Emissions Remain the Primary Threat to Polar Bears

July 2, 2015

Greenhouse gas emissions remain the primary threat to the preservation of polar bear populations worldwide. This conclusion holds…
Polar Bears Unlikely to Thrive on Land-based Foods

April 2, 2015

A team of scientists led by the U.S. Geological Survey found that polar bears, increasingly forced on shore…
First global review on the status, future of Arctic marine mammals

March 18, 2015

For Arctic marine mammals, the future is especially uncertain. Loss of sea ice and warming temperatures are shifting…
How do polar bears stay warm? Research finds an answer in their genes

February 11, 2014

“Gene functions that had to do with nitric oxide production seemed to be more enriched in the polar…
Fur and feathers keep animals warm by scattering light

January 24, 2014

Polar bears can insulate their bodies to temperatures of 37 degrees Celsius (98.6 F) even when outside temperatures…
Researchers say polar bears are victims in public war of words

January 22, 2014

The researchers argue polar bears are most at risk due to human-induced climate change. Polar bears and Inuit…
Climate change: Polar bears change to diet with higher contaminant loads

September 20, 2013

Researchers expect the climate to become warmer in the future and predict that climate change will have a…
Zoo Polar Bear Sports High-Tech Neckwear for Conservation

July 31, 2013

Tasul, an Oregon Zoo polar bear, recently landed her first white-collar job: research assistant for the U.S. Geological…
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