It is not common to see fin whales stranding along the West Coast. The species tends to stay in deeper water compared with gray whales, which travel from 10,000 to 14,000 miles (16,000 to 22,500 kilometers) round trip up and down the coast in annual migrations. There were not obvious signs of the cause of death.

A 52-foot fin whale carcass appeared on a San Diego beach with no clear cause of death; it was towed back to sea.

The virus was first reported among brown skua on Bird Island, off South Georgia. Since then, researchers and observers have reported mass deaths of elephant seals, as well as increased deaths of fur seals, kelp gulls and brown skua at several other sites. Researchers warn of one of ‘largest ecological disasters of modern times’ if the highly contagious disease reaches penguin colonies.

The Lorino community caught the first bowhead whale in five years.To pull the giant over 17 meters long ashore, all the heavy equipment of the village was needed. According to hunters, this is the third “greenlander” caught in the entire history of the community.

Alaska wildlife officials collaborated with whale experts to successfully rescue a humpback whale that was entangled in crabbing gear off the coast of Gustavus, Alaska, preventing it from dying.

A humpback whale found dead near Kodiak Island in Alaska undergoes the state's first whale necropsy of 2023 in an effort to determine the cause of death and understand the shrinking humpback population in the area, with initial findings suggesting the whale may have been struck by a boat.

The highly pathogenic influenza that just claimed its first known polar bear victim continues to circulate in the world’s wild populations.

A local animal rescue in Northern California warns of a surge in sea lions with a potentially fatal bacterial infection, leptospirosis, and advises dog owners to keep pets away.

NewsDesk @bactiman63 The National Agri-Food Health and Quality Service (Senasa)  confirmed new cases of Highly Pathogenic Avian Influenza (HPAI) H5 detected in marine mammals in Comodoro Rivadavia, Rada Tilly and Punta Tombo, Chubut. The agency’s National Laboratory diagnosed new samples positive for the disease, which were taken from sea lions and elephant seals found dead in the aforementioned places. Based on notification, […]

The sea lions vary in decomposition. Several had their bones exposed Monday afternoon.

A dead humpback whale calf named Tango was found washed up near Juneau, Alaska, and an investigation is underway to determine if it was struck by a vessel.

Three adult harbor seals in Puget Sound have tested positive for the Highly Pathogenic Avian Influenza H5N1 strain, marking the first incidence of HPAI in marine mammals on the West Coast, and officials are urging beachgoers to avoid contact with wildlife.

Tyuleniy Island, also known as the ‘Island of the Seals,’ is located in the Sea of Okhotsk and is an important breeding ground for northern fur seals (Callorhinus ursinus). More than 300 northern fur seals and Steller sea lions have been found dead in a mystery mass die-off on a small, uninhabited island in Siberia.

The marine mammal was seen some 600 miles from where the river empties into the Bering Sea.

Biologists with NOAA Fisheries Alaska region have been conducting survey work in the area since mid-May and have so far found 22 Steller sea lions and one harbor seal dead. Necropsies performed on the animals have shown gunshot wounds and other human interactions as the cause.

A wayward walrus calf, just one month old, was rescued from the North Slope. Workers on the North Slope spotted the baby walrus on tundra, about four miles inland from the Beaufort Sea.

Dead beluga whales and walruses have been found washed ashore in the estuary near the capital of Chukotka, with the cause of death currently unknown.

A man biking to work in Iceland this morning was unexpectedly accompanied by a walrus on his commute. Walruses are not native to Iceland.

Boaters in Skolebukta outside Larvik opened their eyes when they were visited by the famous beluga whale. The marine biologist fears the whale's journey could soon be over for good.

Greg Blackburn's boat was being tossed around by "heavy weather" in a notorious stretch of water. Two large orcas, otherwise known as killer whales, were responsible for the ramming but Blackburn said four more would join in - causing extensive damage to the boat.