/tags/cornell-lab-of-ornithology Cornell Lab of Ornithology en-US Copyright KUNC/Community Radio for Northern Colorado 2020 Mon, 31 Oct 2022 12:00:00 GMT /regional-news/2022-10-31/juncos-red-winged-blackbirds-and-many-other-mountain-west-birds-echo-canaries-in-the-coal-mine 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. Mon, 31 Oct 2022 12:00:00 GMT /regional-news/2022-10-31/juncos-red-winged-blackbirds-and-many-other-mountain-west-birds-echo-canaries-in-the-coal-mine Emma VandenEinde