This is a preview. Log in through your library . Abstract I examined the territory size, mating success, nest placement, nest development, and nesting success of the three passerine species restricted ...

A nest was assaulted. Was it the cowbird or the sparrow? Credit...Michelle Mildenberg Supported by By Daryln Brewer Hoffstot Ms. Hoffstot is a freelance writer living on a farm in western Pennsylvania ...

A secretive Everglades sparrow at the center of some of the most contentious debate over restoring the vast wetlands is facing an ever more dire threat: sea rise. A new study that modeled both rising ...

Though house sparrows (Passer domesticus) look a bit like native North American species such as chipping sparrows (Spizella ...