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An outbreak of H5N1 killed 70% of Southern elephant seal pups born in the 2023 breeding season. In surveyed areas of Península Valdés, Argentina, seal mortality rates reached 96%. [7] In February 2024 it was estimated that the outbreak of H5N1 in South America had killed at least 600,000 wild birds and 50,000 mammals since 2022. [7]
Elephant seals or sea elephants are very large, oceangoing earless seals in the genus Mirounga.Both species, the northern elephant seal (M. angustirostris) and the southern elephant seal (M. leonina), were hunted to the brink of extinction for lamp oil by the end of the 19th century, but their numbers have since recovered.
In New England, scientists with the Cummings School of Veterinary Medicine at Tufts University found an outbreak of bird flu that killed more than 330 harbor and gray seals along the North ...
Elephant seals are being used as nature's artificial intelligence to monitor the health of the oceans -- especially the little-known "twilight zone," an ecosystem abundant with fish that could ...
Cases such as a Pennsylvania outbreak in the 1990s highlight how AI can quickly spread between farms through shared equipment and personnel. ... it was the elephant seals.” ...
Although a wide variety of bird species have been shown to contract and spread Influenza A virus subtype H5N1, from waterfowl to poultry and birds of prey, mammalian infections have been of particular interest to researchers due to their potential to develop mutations that increase the risk of mammal-to-mammal spread and transmission to and among humans.
Elephant seals can reach over 13 feet in length and can weigh 4,400 pounds, or 2.2 tons, according to the National Oceanic and Atmospheric Administration. They typically live about 19 years.
A southern elephant seal's eyes are large, round, and black. The width of the eyes, and a high concentration of low-light pigments, suggest sight plays an important role in the capture of prey. Like all seals, elephant seals have hind limbs whose ends form the tail and tail fin. Each of the "feet" can deploy five long, webbed fingers.