PROTECTION STATUS: Threatened
YEAR PLACED ON LIST: 1993
CRITICAL HABITAT: None
RECOVERY PLAN: Draft 1999
RANGE: Sacramento and San Joaquin Valleys in California
THREATS: Habitat loss and fragmentation, flood-control activities, changes in agricultural and land-management practices such as conversion of rice fields, predation from introduced species, pesticides, and water pollution
POPULATION TREND: More than 90 percent of the suitable habitat for this species has been eliminated. There are only 13 isolated populations of the giant garter snake remaining, primarily in the Sacramento Valley.