The sight of a sick or dead bird at a feeder doesn’t evoke the same delight as a visit from a healthy, chirping songbird. Seeing diseased birds is often a source of concern, confusion and even guilt ...

Sameer Elsayed does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Among the many diseases that afflict wild birds, there is avian flu, which made national news when it began decimating flocks of domestic turkeys and chickens. This very pathogenic strain (known as ...