Estonian ship pilot Indrek Sulla on Tuesday morning sighted two dolphins who had likely wandered into Kopli Bay from the Atlantic.

A variety of stranded marine mammals were observed in the Port Heiden area between August 17 and 26th.

More than 50 birds and a seal were found along the shoreline.

Looking over a longer time span, bears in the southern Beaufort Sea are now using land to an extent they haven’t used it historically,” a researcher said.

For the second time in less than a month, a large pod of pilot whales has been discovered stranded on an Icelandic beach.Two-thirds of them were saved and driven back out to sea.

Alaska has experienced a series of seal mortalities in June that were concentrated in the northern part of the state. This dead seal was found on the bluff near a public park in Anchorage.

Sea ice in the Chukchi Sea disappeared far earlier than normal this spring as a result of exceptionally warm ocean temperatures.

Fifty pilot whales were found dead on the shore of Löngufjörur in a sparsely populated part of the Snæfellsnes peninsula on Thursday, RÚV reports.

Alaska Sea Grant agent Gay Sheffield from Nome responded to report of a dead bowhead and a dead grey whale northeast of Shishmaref near Cape Espenburg.

Village wildlife observers worry that the unusual warmth of oceans off Alaska is causing problems throughout the ecosystem.

Southern resident killer whales which are often spotted in the Salish Sea near Vancouver throughout June haven't been seen this season, and scientists believe that could be because of the lack of chinook salmon.

This comes just days after other reports of about 60 dead ice seals found from Kotlik to Kotzebue and Kivalina to Point Hope.

There was no evidence of recent fishing gear entanglement or recent vessel strike in their preliminary assessment. Further testing is ongoing to identify other potential causes of death.

Around 60 ice seals have been reported dead across northern and western Alaska this month. The cause of the strandings and deaths is not known.

Researchers say their absence is a stark reminder that the orcas are slowly starving to death because there is not enough Chinook salmon to sustain them.

Late arrival of humpback whales may be related to a change in abundance of prey species.

An alarming number of gray whales have been found dead this year from Mexico to Alaska, triggering a federal investigation into what’s causing the die-off.

"Its face was down in the mud and it was laboring to breathe. Its body condition was wasted and we could see its ribs."

Belugas and narwhals can apparently breed. Scientists have confirmed the only known specimen of beluga-narwhal hybrid.

It is the first polar bear seen in the city in more than 40 years, according to local environmentalists.