How Climate Change Is Pushing Hummingbirds Higher Into the Rockies
By late summer, when thunderheads pile up over Colorado’s spine, the high meadows flash like neon with paintbrush, columbine, and larkspur – and tiny, iridescent bodies flicker through the bloom. Yet the show is changing. Warmer springs and drier valleys are re-timing the mountain clock that guides nectar and the birds that chase it, nudging ...



