Every spring, both mountain and western bluebirds return to Western Montana, delighting residents and nature lovers alike.

A research team has created a comprehensive evolutionary tree of all bird species, integrating data from hundreds of studies ...

European starlings, an invasive species in the U.S., lay blue eggs often mistaken for those of bluebirds or robins. Unlike native birds, starlings outcompete local species and are not protected by ...

Birds are rapidly vanishing from North America, with dramatic population losses in places that were once thought safe.