Tag: Arctic

September 10, 2021

Climate change changes Indigenous seal hunting

A changing climate resulting in reduced sea ice coverage is causing Indigenous seal hunters who rely on the marine mammals for subsistence to change their methods. As the ice continues...

August 4, 2021

Do polar bears wield ice blocks to kill walruses?

In the eastern Canadian Arctic and Greenland, Inuit have told stories for centuries of polar bears using rocks and blocks of ice to bludgeon walruses to death. Naturalists discounted such...

June 22, 2021

Wolverines den in caves formed in permafrost

Wolverines use deep fissures in the Arctic permafrost as dens, photos have revealed. “After we found three of them, it seemed like enough of a pattern to start sharing it,”...

May 20, 2021

Interior won’t ease Arctic drilling restrictions

The U.S. Department of the Interior will not pursue the previous administration’s plan to ease restrictions on exploratory drilling in the Arctic. In 2020, during the previous administration, the Bureau...

May 7, 2021

Narwhals increasingly exposed to mercury

Narwhal tusks can tell researchers a lot about the marine mammals’ feeding habits and exposure to dangerous chemicals. “They’re kind of like tree rings,” said Jean-Pierre Desforges, a postdoctoral research...

March 1, 2021

Watch: Bearded seals can’t compete with industrial sounds

The loud sounds bearded seals emit underwater may not be noisy enough to overcome the sound from increasing industrial activities off the coast of Alaska. Recent research highlighted how bearded...

February 25, 2021

Climate change presents problems for bears, narwhals

Climate change is causing energy use problems for Arctic mammals. Melting or shifting ice patterns means both narwhals (Monodon Monoceros) and polar bears (Ursus maritimus) need to travel more to...

February 11, 2021

Even snowbirds may feel the heat

Heat may stress out snowbirds, despite the fact that they live in areas most people would consider cool at best. As climates continue to warm, this type of stress may...

February 3, 2021

The deafening underwater soundscape of bearded seals

Bearded seals create a deafening underwater soundscape in the Canadian Arctic Ocean — particularly during mating season. Explorations of the types of sounds they make and the volume of those...

January 7, 2021

Massive murre die-offs mirrored by reproductive failure

Murre colonies that experienced die-offs in the Bering and Chukschi seas off the coast of Alaska in 2018 also experienced reproductive failure. “The majority of colonies that we surveyed in...