You've probably heard of invasive plants, but what about invasive birds? These common nonnative species are now abundant in ...

A new report reveals that more than one-third of all U.S. bird species stand in high or moderate conservation danger.

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

State of the Birds report identifies 112 "tipping point" species — those that have lost more than half their populations in ...

Where does our avian flu epidemic come from? Commercial, large-scale poultry farming and migrating birds squeezed into ...

Scientists checked in on species all over the country for the latest State of the Birds report. Nearly everywhere they looked, birds were struggling—including some that have been resilient in ...

U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and ...

Greg Herbruck, CEO of a Michigan egg production company, said bird flu hit all of the company's farms around last Easter. Production still has not returned to normal levels.

No new human cases of avian influenza have been reported, and poultry infections are low so far in March. But infections in cats are continuing, and new research is raising concerns about the virus ...