Sound of Silence Trail Stop 8

Peregrine Falcons are know to nest atop the high sandstone cliffs.

NPS Photo/Conrad Provan

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Scenic View/Photo Spot

While native plants like the greasewood, rabbitbrush, and sage are important habitat, what about the rock walls themselves? The large cliff to the south has, in past years, been the nesting place of Peregrine Falcons. Once an endangered species, their numbers have now grown. Thanks to a ban on the pesticide DDT, and protected nesting places like this cliff face in Dinosaur National Monument, you may see a Peregrine Falcon soaring overhead. Listen carefully for the highpitched “kak, kak, kak” call.