Tag: sea otters

December 10, 2020

To solve sea otter riddle, researchers look to archaeology

It’s a mystery of reintroduction. When Alaskan sea otters were moved from a nuclear testing site in the Aleutian Islands to the coasts of Washington and Oregon, the two translocated...

October 19, 2020

Wild Cam: Brown bears prey on sea otters on Alaskan islets

Researchers working in Alaska’s Katmai Coast have discovered a surprising new interaction between mammals on small islands off the coast: grizzly bears are preying on sea otters. This first-of-its-kind discovery...

June 12, 2020

Watch: Sea otters worth millions, but not everyone benefits

As sea otter populations rebound off the coast of British Columbia, the quantities of shellfish and other sea life they consume are impacting local fisheries. The economic benefits far outweigh...

November 13, 2019

Did climate change allow an Arctic wildlife virus to spread?

Melting sea ice may be to blame for the spread of a wildlife virus from one side to the Arctic to the other. The issue emerged in 2004 when Pacific...

September 10, 2019

Sea otter deaths linked to domestic cats

Sea otters in California are dying from a parasite they’re picking up from cats on the loose. Researchers recently found the otters are picking up the parasite Toxoplasma gondii from...

June 25, 2019

Tire “dummies” can help conservationist track dead sea otters

What does a sea otter and half a car tire have in common? They both float to the same places. Researchers looking for a way to better track possible sea...

March 22, 2019

Tracking sea otter tool use to inform conservation

Sea otter (Enhydra lutris) biologists have combined forces with archaeologists to develop new ways to track past activity of the marine mammals. The collaboration could help inform conservationists and biologist...

June 7, 2018

Predators returning to unexpected areas

Brian Silliman adjusted his headlamp. He was searching for crabs and snails in the saltmarshes and creek banks of an island reserve in Georgia. He was studying food webs, using...

May 30, 2018

Southern sea otters still struggle with genetic diversity

Despite modest increases in the threatened southern sea otter population (Enhydra lutris nereis), their genetic diversity has remained the same, prompting researchers to question the future of their recovery. The...

September 23, 2015

Great White Sharks Affecting Sea Otter Recovery in California

Great white sharks may be taking a bite out of sea otter recovery efforts, according to a new survey by the U.S. Geological Survey. “It’s quite perplexing. We’ve been working...