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20130712_AZ_GrandCanyon_dherasimtchuk _96A8932.jpg

Detailed Description

High school students observe a canyon tree frog that is climbing a canyon wall. Students were on a river trip in Grand Canyon Youth through Partners in Science, a collaboration with USGS and NPS.


Public Domain.

Photo by Freshwaters Illustrated in collaboration with USGS Grand Canyon Monitoring and Research Center