PROTECTION STATUS: Threatened
YEAR LISTED: 2014
CRITICAL HABITAT: 65,038 acres and 20.3 river miles designated in 2016
RANGE: Small, isolated populations in Oregon, Washington, and British Columbia
THREATS: Habitat loss due to development; gravel mining; water diversion; livestock grazing; introduction of nonnative species; and water contamination from pesticides, fertilizers, and acid rain
POPULATION TREND: The frog's population is declining.