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.

A girl from Paso Robles, California, was bit by a sea lion in Pismo Beach on Friday near the pier. The animal that attacked likely had domoic acid poisoning, and will be treated at the Marine Mammal Center.

This walrus was found by a local fisherman and reported by LEO Network to the US Fish and Wildlife Walrus Hotline. The carcass is thought to be too old for necropsy or sample collection.

Swarms of anchovy can be seen swimming through the South Sound.

NOAA has declared an “unusual mortality event” for gray whales on the North American west coast and launched an investigation.

18 dead seals were found along the coast, and are like part of a larger mortality event that includes 60 seals total. The average number of dead ice seals normally found in a year is 18.

Because of the increased travel distance, only families with larger boats were able to participate in the hunt and bring back enough to make the trip cost effective. With a heavier load in the boat, one family ran out of gas trying to get home and had to be rescued.

A dead grey whale was found floating in Boundary Bay, near the United States border, this week. It's the sixth grey whale to have been found dead in B.C. waters this year.