Spencer Dybdahl Riffle:
Pacific giant salamander (Dicamptodon tenebrosus)
Spencer Dybdahl Riffle:
Northwestern salamander (Ambystoma gracile)
Spencer Dybdahl Riffle:
Coastal tailed-frog (Ascaphus truei)
Spencer Dybdahl Riffle:
Pacific Treefrog (Pseudacris regilla)
Spencer Dybdahl Riffle:
Foothill yellow-legged frog (Rana boylii)
Spencer Dybdahl Riffle:
Foothill yellow-legged frog (Rana boylii)
Spencer Dybdahl Riffle:
Foothill yellow-legged frog (Rana boylii)
Spencer Dybdahl Riffle:
Northern red-legged frog (Rana aurora)