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AMBYSTOMATIDAE (MOLE SALAMANDER) FAMILY
    AMBYSTOMA MACRODACTYLUM (LONG-TOED SALAMANDER)
    AMBYSTOMA TIGRINUM  (TIGER SALAMANDER)
    DICAMPTODON ATERRIMUS  (IDAHO GIANT SALAMANDER)

AMPHIBIAN ANATOMY

AMPHIBIAN FAMILIES PAGE

AMPHBIANS THAT MAY OCCUR WITHIN REGION 4, U.S. FOREST SERVICE

AMPHIBIAN SPECIES MONITORING

BUFONIDAE  (TRUE TOADS) FAMILY
    BUFO BOREAS (WESTERN TOAD)
    BUFO COGNATUS (GREAT PLAINS TOAD)
    BUFO MISCROSCAPHUS  (SOUTHWESTERN TOAD)
    BUFO PUNCTATUS  (RED-SPOTTED TOAD)
    BUFO WOODHOUSII (WOODHOUSE'S TOAD)

CONCLUSIONS

FROG FACT

GLOSSARY

HYLIDAE (TREE FROGS) FAMILY
   HYLA ARENICOLOR  (CANYON TREE FROG)
    PSEUDACRIS REGILLA (PACIFIC TREE FROG)
    PSEUDACRIS TRISERIATA (BOREAL CHORUS FROG)

INTRODUCTION

KEY CONTACTS FOR AMPHIBIANS

LEIOPELATIDAE (or SCAPHIDAE)  (TAILED FROGS) FAMILY
    ASCAPHUS  TRUEI  (TAILED FROG)

OBSERVATION FORM

OTHER WORK ON AMPHIBIANS IN THE REGION

PELOBATIDAE  (SPADEFOOT TOADS) FAMILY
    SCAPHIOPUS BOMBIFRONS  (PLAINS SPADEFOOT)
    SCAPHIOPUS INTERMONTANUS  (GREAT BASIN SPADEFOOT)
    SCAPHIOPUS MULTIPLICATUS (SOUTHERN SPADEFOOT)

RANIDAE (TRUE FROGS) FAMLY
   RANA CATESBEIANA (BULL FROG)
    RANA LUTEIVENTRIS  (COLUMBIA SPOTTED FROG)
    RANA MUSCOSA  (MOUNTAIN YELLOW-LEGGED FROG)
    RANA PAPIENS (NORTHERN LEOPARD FROG)

REFERENCES CITIED

SILHOUETTE PAGE

WEB  SITES FOR INFORMATION ON AMPHIBIANS

USDA, Forest Service
Federal Building
324 25th Street
Ogden, Utah  84401