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Avian flu, also known as H5N1, spread through marine mammal colonies in Argentinian Patagonia in August 2023, nearly doubling the death rate among southern elephant seals in some areas.

In October, Friends of the Elephant Seal docents saw a seal with an entanglement around his neck on the beach at Piedras Blancas. He was at the far south end, difficult to observe — but that ...

A subadult male elephant seal can be seen near sea lions. Subadult elephant seals and sea lions frequently intermingle at rookeries along Península Valdés in Argentina. Close contact between pinniped ...

A team of researchers are using drones and satellite images from space to count southern elephant seals on the sub-Antarctic Island of South Georgia. Using remotely piloted aerial systems (RPAS ...

However, that count was almost lower—until recently. In the 1700s, nearly all marine mammals, including sea otters, whales, dolphins, seals and sea lions were casualties of the Pacific Northwest fur ...

On occasion, elephant seals breed among sea lions. Here, an adult male elephant seal and a female with her black-coated pup in the background, are surrounded by sea lions in October 2024.

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd populations, a new report finds. "It is likely that more than half of the ...