ENDANGERED SPECIES ACT PROFILE

PROTECTION STATUS: Not listed; candidate species

PETITIONED: 1989 (Utah Nature Study Survey); 2004 (Center for Biological Diversity)

YEAR PLACED ON LIST: Candidate 1991

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.

Photo by Kelly McAllister, Washington Dept. of Fish
and Wildlife