Search results for Walruses

Plants & Animals Dec 27, 2017

Veterinary surgeons perform first-known brain surgery to treat hydrocephalus in fur seal

A neurosurgical team at Cummings School of Veterinary Medicine at Tufts University has successfully performed what is believed to be a first-of-its-kind brain surgery on a Northern fur seal named Ziggy Star in an attempt ...

Archaeology Dec 26, 2017

An ancient mastodon ignited a debate over humans' arrival in North America

"Oh my God," Richard Cerutti said to himself. He bent down to pick up a sharp, splintered bone fragment. Its thickness and weight told him that it belonged to an animal, a very big animal. His mind started to race.

Ecology Nov 23, 2017

Polar bears crowd on Russian island in sign of Arctic change

A boatload of tourists in the far eastern Russian Arctic thought they were seeing clumps of ice on the shore, before the jaw-dropping realisation that some 200 polar bears were roaming on the mountain slope.

Environment Oct 19, 2017

Oil company proposes Arctic drilling from artificial island

America within a few years could be extracting oil from federal waters in the Arctic Ocean, but it won't be from a remote drilling platform.

Plants & Animals Oct 10, 2017

Northern exposure: fossils of a southern whale found for the first time in the north

Ancient fossils of a whale species thought to be found only in southern waters have been discovered at northern sites in Japan and Italy.

Ecology Oct 4, 2017

Federal government: No threatened species listing for walrus

The Trump administration announced Wednesday it will not list the Pacific walrus as a threatened species based on diminished Arctic Ocean sea ice, concluding that the marine mammals have adapted to the loss.

Ecology Sep 13, 2017

Stampede suspected in dozens of walrus death

Thousands of Pacific walrus are coming to Alaska's northwest shore again in the absence of summer sea ice and not all are surviving.

Ecology Aug 30, 2017

American pika disappears from large area of California's Sierra Nevada mountains

The American pika, a small mammal adapted to high altitudes and cold temperatures, has died out from a 165-square-mile span of habitat in California's northern Sierra Nevada mountains, and the cause appears to be climate ...

Earth Sciences Aug 23, 2017

Warming Arctic spurs battles for riches, shipping routes

From a distance, the northern shores of Baffin Island in the Arctic appear barren—a craggy world of snow-capped peaks and glaciers surrounded by a sea of floating ice even in the midst of summer.

Ecology Aug 16, 2017

Study reveals the evolutionary history of imperiled salmon stocks

New technologies for analyzing DNA may transform how imperiled species are considered and managed for conservation protection, according to a study published today in the journal Science Advances and led by the University ...

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