Black Swifts Nest behind Waterfalls

A waterfall roars down a steep cliff. Just after sunset on a July evening, a Black Swift arcs into view, and swoops behind the waterfall. The swift builds its nest in crevices behind waterfalls in the western mountains, from British Columbia to Mexico. It’s among our most elusive birds, foraging on insects over long distances and returning to its secluded nest site only at dusk. One such nest site is behind Grouse Falls in Tahoe National Forest. Where do Black Swifts nest? Find out at whatbird.com.

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