Sea ducks such as Common eiders, grassland birds such as Western meadowlarks and Lark buntings, and forest species such as Pinyon jays in the West and Bachman's sparrow in the East are among a wide variety of bird species that are in serious declines,

The report looked at 718 species using population data such as the Cornell Lab of Ornithology's eBird Status and Trends project, the U.S. Geological Survey's Breeding Bird Survey and National Audubon Society avian counts.

The U.S. bird population is declining at an alarming rate, according to a report published Thursday by an alliance of science and conservation groups. Habitat loss and climate change are among the key contributing factors to the bird population losses,