That has forced the bears to drift on the ice into deep waters — sometimes nearly a mile deep — that are devoid of their prey, Amstrup said. Off Alaska, the Beaufort Sea and Chukchi Sea polar ...

Polar Bears Film Their Own Sea Ice World by USGS on YouTube. This time, the video cameras worked. When we recovered them, we had collected eight to 11 days of footage showing polar bears' behavior ...

Professor Merav Ben-David of UW’s Department of Zoology and Physiology, was among researchers who found increased westward ice drift in the Beaufort and Chukchi seas requires polar bears to expend ...

Polar bears, up close and personal 14 photos. ANCHORAGE, Alaska -- Rapid global warming has sped up the movement of sea ice off Alaska's coasts, and already at-risk polar bears are paying a price ...

That has forced the bears to drift on the ice into deep waters — sometimes nearly a mile deep — that are devoid of their prey, Amstrup said.Off Alaska, the Beaufort Sea and Chukchi Sea polar ...

ANCHORAGE, Alaska – Rapid global warming has sped up the movement of sea ice off Alaska's coasts, and already at-risk polar bears are paying a price, a new U.S. study ...

Here, an adult female polar bear rests on the Arctic sea ice. Her onboard GPS satellite video-camera collar allowed researchers to follow her for up to 12 days. (Image credit: Anthony Pagano/USGS) ...

It began with a small ‘shape’ far out on the ice which one of the expedition staff recognised immediately as a bear. The ...

That has forced the bears to drift on the ice into deep waters — sometimes nearly a mile deep — that are devoid of their prey, Amstrup said. Off Alaska, the Beaufort Sea and Chukchi Sea polar ...

That has forced the bears to drift on the ice into deep waters — sometimes nearly a mile deep — that are devoid of their prey, Amstrup said. Off Alaska, the Beaufort Sea and Chukchi Sea polar ...

That has forced the bears to drift on the ice into deep waters — sometimes nearly a mile deep — that are devoid of their prey, Amstrup said. Off Alaska, the Beaufort Sea and Chukchi Sea polar ...

This June 2018 photo provided by Polar Bears International shows polar bear standing on sea ice north of Svalbard, Norway. Arctic sea ice — frozen ocean water — shrinks during the summer as it ...