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

The 2004–2005 Audubon Christmas Bird Count showed dramatic evidence of the Eurasian collared-dove’s explosive expansion across the continent in a quarter century. The species was listed in 32 ...

The squab, though to be a collared dove, has been rescued by the Vale Wildlife Hospital and Rehabilitation Centre after a cat picked it up ...