STATUS OF CALIFORNIA FROGS AND TOADS

Listing by federal and state government and the Nature Conservancy. The subspecies of Rana aurora and Bufo microscaphus are treated here as separate species as support by recent systematics research. Candidate 1 and 2 designations are indicated here although the Fish and Wildlife Service recently "solved" the huge backlog of listings under the Endangered Species Act by dropping all Candidate 2 species from the candidate lists.

Common name	Scientific name	Listing status
TAILED FROG	Ascaphus truei	C2,G3G4,S2S3,CS
COUCH'S SPADEFOOT	Scaphiopus couchii	G5,S?,CS
WESTERN SPADEFOOT	Scaphiopus hammondii	C2,G3?,S3?,CS
GREAT BASIN SPADEFOOT	Scaphiopus intermontanus
COLORADO RIVER TOAD	Bufo alvarius	G5,SH,CS
BLACK TOAD	Bufo exsul	C2,CT,G1,S1,CS
WESTERN TOAD	Bufo boreas
YOSEMITE TOAD	Bufo canorus	C2,G3G4,S3S4
WOODHOUSE'S TOAD	Bufo woodhousei
ARROYO TOAD	Bufo microscaphus californicus	FE,FS,G4T2,S2,CS
ARIZONA SOUTHWESTERN TOAD	Bufo microscaphus microscaphus	C2,G4T3,S?
RED­SPOTTED TOAD	Bufo punctatus
GREAT PLAINS TOAD	Bufo cognatus
CALIFORNIA TREEFROG	Hyla cadaverina
PACIFIC TREEFROG	Hyla regilla
NORTHERN RED­LEGGED FROG	Rana aurora aurora	C2,G4T2?,S2?,CS
CALIFORNIA RED­LEGGED FROG	Rana aurora draytonii	FT,FS,G4T2T3,S2S3,CS
SPOTTED FROG	Rana pretiosa	C1,G4,CS
CASCADES FROG	Rana cascadae	C2,G4,S3?,CS
FOOTHILL YELLOW­LEGGED FROG	Rana boylii	C2,G3,S2S3,CS
MOUNTAIN YELLOW­LEGGED FROG	Rana muscosa	C2,G3,S3,CS
NORTHERN LEOPARD FROG	Rana pipiens	G5,CS
YAVAPAI LEOPARD FROG	Rana yavapaiensis	C2,G3,S?
BULLFROG	Rana catesbeiana

Codes used in status field:

• Federal Endangered = "FE"
  
• Federal Threatened = "FT"
  
• Federal Candidate 1 = "C1"
  
• Federal Candidate 2 = "C2"
  
• Federal proposed endangered = "PE"
  
• California threatened = "CT"
  
• California species of special concern = "CS"
  
• Forest Service sensitive = "FS"
  
• The Nature Conservancy's Natural Heritage rankings are on a 1 to 5 scale with 1 being rare and endangered and 5 common and secure. The "G" ranks are global and cover the entire species range, the "S" ranks are for California.
  

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