WASHINGTON (AP) — Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021. But what has been ...

For the first time, scientists documented direct evidence of a bat preying on a bird at high altitude. By Douglas Main During spring and fall migrations, billions of birds take to the night skies. The ...

Since late 2021, a panzootic, or "a pandemic in animals," of highly pathogenic bird flu variant H5N1 has devastated wild birds, agriculture, and mammals. Unlike previous outbreaks, aggressive culling ...

Avian H5N1 took a big leap about four years ago. Previously the virus, first detected in the mid-1990s, would tear through domesticated poultry, killing off flocks in days. It occasionally jumped to ...