Boreal chorus frogs are common with conspicuous calls.
Western tiger salamanders are common and abundant in some areas of Yellowstone.
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: September 11, 2019
PO Box 168
Yellowstone National Park, WY