Bye-Bye Birdies: Almost 3 Billion Birds Disappeared From North America’s Skies In Less Than 50 Years

A new study reports that birds living or breeding in Canada and the United States have declined by an average of 29% since 1970

by GrrlScientist for Forbes | @GrrlScientist

Migrating flock of red-winged blackbirds (Agelaius phoeniceus). Red-winged blackbirds are common denizens of wetlands and marshes throughout most of North America, but they have declined by an estimated 92 million individuals.
(Credit: Minette Layne / CC BY-NC 2.0)

Thanks to human actions, most of North America’s bird populations are declining. A recently…