NPS / Neal Herbert
At Midway Geyser Basin, a mixed chorus of amphibians greets the onset of dusk.
Amphibians are valuable indicators of stressors such as disease or climate change.
In 2015, a breeding population of plains spadefoot toads was confirmed in Yellowstone.
Western toads were once common throughout Yellowstone.
Last updated: August 4, 2017
PO Box 168
Yellowstone National Park, WY