Peregrine falcon populations, like many birds of prey including osprey and bald eagles, were affected by DDT and other biocides in the 1950s and remained an endangered species in Iowa until 2010.

Around 400,000 pullet birds, or young chickens raised for meat or egg production, were destroyed at a commercial farm in Buena Vista County in northwest Iowa after the bird flu wa ...

Peregrine falcon nests are monitored in Iowa. A peregrine falcon rests on its eggs in a nest on the Dubuque County Courthouse in 2017, which can be seen on livestream. (Photo courtesy of Dubuque ...