First Bird Flu Deaths Reported In Antarctic Penguins
Why It Matters: Penguins are already under pressure.The familiar black-and-white birds are facing numerous threats, including climate change, pollution and commercial fishing. Three Antarctic penguin species — emperor penguins, southern rockhopper penguins and macaroni penguins — are listed as vulnerable or near threatened.Before H5N1 arrived in the Antarctic region last fall, highly pathogenic bird flu viruses had never been documented in the area before. That means that the penguins are likely to have little existing immunity. And because they breed in large, crowded colonies, once one penguin is infected, the virus could spread rapidly, causing mass mortalities. (As the virus…







