A new outbreak of highly pathogenic avian influenza (H5N1) in wild birds in Montenegro, in the Brazilian State of Rio Grande do Sul, specifically affecting the species joão-de-barro (Furnarius rufus) ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Hundreds of dead birds have been found in Michigan since the start of the new year, and early testing points to bird flu as the ...

Woodcocks and pochard, pintail and goldeneye ducks among threatened species protected by proposals ...

Researchers spent five years studying the gut microbiomes of Northern cardinals, a common backyard songbird known for its vivid red plumage. Their study explores how microbiome diversity impacts the ...

Add Yahoo as a preferred source to see more of our stories on Google. Costa's Hummingbirds are frequent visitors at feeders in Arizona and southern California. Julian Avery, CC BY-ND Millions of ...