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. Those ...
More than 100,000 birds were in Utah on March 18. Utah and other Rocky Mountain states have altitudinal migrants, such as the Clark's nutcracker, the mountain chickadee and rosy finches. Those species ...
Irruptions often coincide with movements of pinyon jay, Steller’s jay, and Clark’s nutcracker. Vagrant: casual to southwestern British Columbia, eastern Washington, southeastern California ...
More than 100,000 birds were in Utah on March 18. Utah and other Rocky Mountain states have altitudinal migrants, such as the Clark's nutcracker, the mountain chickadee and rosy finches.
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