Boreal chorus frogs are common with conspicuous calls.
To survive the winter, Columbia spotted frogs go into water that does not freeze.
Western toads were once common throughout Yellowstone.
In 2015, a breeding population of plains spadefoot toads was confirmed in Yellowstone.
Amphibians are valuable indicators of stressors such as disease or climate change.
Last updated: June 9, 2017
PO Box 168
Yellowstone National Park, WY