Scientists identify avian cholera as major cause of penguin deaths in Antarctica
4 Articles
4 Articles
Scientists identify avian cholera as major cause of penguin deaths in Antarctica
Thousands of Adélie penguins found dead in Antarctica in 2024 were primarily victims of avian cholera, not high pathogenicity avian influenza (H5N1) as researchers initially suspected, according to a study published today in Proceedings of the Royal Society B: Biological Sciences. The findings highlight an underrecognized threat to Antarctic wildlife and the importance of comprehensive disease investigations, particularly as H5N1 continues to ra…
Bird cholera killed thousands of Adele penguins on the Island of Dainger in Antarctica.
In 2024 there were thousands of dead Adélie penguins on two Antarctic islands, at first the bird flu seemed to be the obvious cause. However, investigations of 49 dead birds mostly point to bird cholera. The disease caused by a bacterium could be a greater threat to the wildlife of the South Ocean than previously assumed. Davis (U.S.A.). When many animals die simultaneously in densely populated penguin colonies, various pathogens are considered …
Deadly Bacterial Disease Identified After Thousands Of Penguins Die In Antarctica
Thousands of penguins were found dead on two remote Antarctic islands during an expedition in March 2024. More than two years later, researchers have identified avian cholera as the principal cause of death among the animals examined. Laboratory tests detected the bacterium responsible for the disease in 46 of 49 sampled animals, while genetic analysis […]
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