PROTECTION STATUS: Threatened
YEAR PLACED ON LIST: 1996
CRITICAL HABITAT: 450,288 acres in California designated in 2006
RECOVERY PLAN: 2002
RANGE: California’s Sonoma and Butte counties in the north to Riverside County in the south, mostly in the western counties
THREATS: Habitat loss to urban development, agriculture, logging and wetland draining, impacts of dams and water diversions, competition and predation by introduced species, pesticides, cattle grazing, and global warming
POPULATION TREND: Population has declined by at least 90 percent, and the frog is gone from 70 percent of its former range — only four areas now harbor more than 350 adult red-legged frogs.