The Sierra Nevada yellow-legged frog was a once-common species inhabiting Yosemite’s meadows. Visitors joyfully described their encounters with hundreds of frogs basking in the sun near high-elevation mountain lakes. Unfortunately, this keystone species is now proposed for listing on the endangered species list.

With support from Conservancy funding in 2013, park scientists reintroduced frog populations to encourage genetic diversity and help ensure the health of the species. In 2014, the Conservancy once again supported this important work by providing funding for science interns and restoration tools. This project allowed the park to continue conservation efforts, track frog population recovery, and assess and monitor population-restoration sites — all while supporting the professional development and education of young scientists.

With your help, Yosemite is helping to prevent this unique species from disappearing, engaging youth in wildlife conservation and ensuring that visitors can encounter Sierra Nevada yellow-legged frogs for years to come.

Partnering with Yosemite National Park, U.S. Geological Survey and Roland Knapp.

Heather McKinney

Aquatic Ecologist, Yosemite National Park

Project Notes

We know that if we restore these habitats for the frogs that we are going be able to increase the number of healthy, viable populations in Yosemite. Hopefully we can keep this species from going extinct.