PhysOrg Posted January 27 Share Posted January 27 Mountaineers who venture high into the Colorado Rockies have likely spotted medium-sized, brown-and-pink birds rummaging around on snow patches for insects and seeds. These high-elevation specialists are rosy finches, a type of bird that's evolved to survive in some of the most rugged places in North America.View the full article Quote Link to comment Share on other sites More sharing options...
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