Two hundred walruses surprised residents on an Alaskan peninsula after arriving en masse on a beach.
Sea ice in the Chukchi Sea disappeared far earlier than normal this spring as a result of exceptionally warm ocean temperatures.
Walruses over the last decade have come to shore on the Alaska and Russia sides of the Chukchi Sea as sea ice diminishes because of global warming.
Biologists are trying to determine what's ailing ringed seals that live off Alaska's Arctic coast. Scores of seals stranded on beaches this summer appeared to have skin lesions, and dozens have died.
A dead humpback whale has washed ashore on North Carolina’s Outer Banks. The Charlotte Observer reported Thursday that the 18-foot whale was found on Pea Island about half-mile north of Rodanthe.
Researchers say the population of gray whales off the West Coast of the United States has fallen by nearly one-quarter since 2016, resembling a similar die-off two decades ago.
NOAA has declared an “unusual mortality event” for gray whales on the North American west coast and launched an investigation.
The Seward facility began housing five seals found in the Cook Inlet area and another that was rescued in Juneau.
The sea lions have posed a long-running conundrum for wildlife officials, pitting mammals protected under federal law against protected — and valuable — fish runs.
NOAA is monitoring significant numbers of gray whale deaths this spring along the Pacific coast.
A member of a species of critically endangered whale that is struggling with poor reproduction has been found dead off of Massachusetts.
Hundreds of Pacific walruses came ashore to a barrier island on Alaska's northwest coast, the earliest appearance of the animals in a phenomenon tied to climate warming and diminished Arctic Ocean sea ice.
A dead whale that washed ashore in eastern Indonesia had a large lump of plastic waste in its stomach, including drinking cups and flip-flops, a park official said Tuesday, causing concern among environmentalists and government officials in one of the world's largest plastic polluting countries.
Avian flu has decimated the marine creatures on the country’s Pacific coastline and scientists fear it could be jumping from mammal to mammal
Given the rarity of similar incidents, the whales have attracted a large crowd since Christmas Eve. On Boxing Day, the Coastguard confirmed that patrols have been taking place to ensure the safety of the public in the days since the animals were stranded.
People in southern Labrador and along Newfoundland's Northern Peninsula are being cautioned to be on the lookout for the bears, who have already begun to move north.
After attacks belugas scattered northward, away from a traditional calving area. Scattering could impact the survival rate of young belugas.
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.
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