Bird numbers plunge in U.S. and Canada with people to blame

From grasslands to seashores to forests and backyards, birds are disappearing at an alarming rate in the United States and Canada, with a 29% population drop since 1970 and a net loss of about 2.9 billion birds, scientists said on Thursday. [Source]

Origin: reuters.com

Category: scienceNews

Topics: birds, Canada, scientists, billion, since, population, States, United, alarming, disappearing, backyards, forests, seashores, grasslands, blame, people, plunge, numbers

Source: http://feeds.reuters.com/~r/reuters/scienceNews/~3/LVggN9k2uFw/bird-numbers-plunge-in-u-s-and-canada-with-people-to-blame-idUSKBN1W42NA