Juncos, red-winged blackbirds and many other Mountain West birds echo canaries in the coal mine knpr.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from knpr.org Daily Mail and Mail on Sunday newspapers.
Many birds are in trouble nationwide. A 2019 study published by Cornell found that bird populations have declined 30% since 1970. That's nearly three billion birds.