Birds that call Colorado's high plains and deserts home are in serious decline, according to a sweeping new conservation ...

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Seasonal bird migration is about to ramp up, with hundreds of millions of birds crossing the country on a peak night. Some 1 ...

Some 1 million birds were in Colorado on Tuesday. Colorado and other Rocky Mountain states have altitudinal migrants, such as the Clark's nutcracker, the mountain chickadee and rosy finches.

The report finds that about one-third of species, including many in the Mountain West, are at high or moderate concern from a conservation perspective.

Joe LaFleur studied wildlife biology and communications at Colorado State University. He is author of the book Mountain Birds of Teller County and creator of “Better Birdwatching,” a DVD ...