The new strain of bird flu has infected more than 90 million chickens and has spread to dairy cows and even humans. Here's what you need to know about the "global pandemic for animals."
Edward Stanley / Florida Museum of Natural History
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December and January represent breeding season for seabirds in Antarctica, a time when there should be thousands of active nests. But strong snowstorms during the 2021-2022 season made it difficult for birds to access their usual grounds and resulted in a total failure to reproduce for multiple species.