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A Guide to the Amphibians
and Reptiles of California





Eggs and Tadpoles of
Cascades Frog - Rana cascadae

Slater, 1939
 








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Eggs
Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs
Frog with eggs,
Kittitas County, Washington
Egg masses in pond,
Kittitas County, Washington
Collection of egg masses,
Kittitas County, Washington
Large partially-exposed mass of eggs, Kittitas County, Washington
Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs
Submerged egg masses,
Kittitas County, Washington
Egg mass, Kittitas County, Washington Egg mass, Kittitas County, Washington Egg mass close-up,
Kittitas County, Washington
Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs  
Egg mass close-up,
Kittitas County, Washington
Egg mass close-up,
Kittitas County, Washington
Egg mass close-up,
Kittitas County, Washington
 
Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs Cascades Frog Eggs
Eggs, partly submerged in shallow subalpine meadow pool, 5,600 ft., Pierce County, Washington Egg mass, 4,000 ft.,
Clackamas County, Oregon
Tadpoles
Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles
Larvae still in eggs, about to hatch Newly-hatched Tadpoles at egg mass Newly-hatched Tadpoles
remaining at egg mass
Brand new hatchling
Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles
  Tadpoles,6,400 ft., Siskiyou County  
Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles
Tadpole, King County, Washington Mature tadpoles,
Pierce County, Washington
Tadpole, King County, Washington Tadpole, King County, Washington
Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles Cascades Frog Tadpoles
Tadpole, King County, Washington Mature tadpole with rear legs developing Mature tadpole with large rear legs Mature tadpole with 4 legs
Metamorphs
Cascades Frog Cascades Frog Cascades Frog Cascades Frog
Recent metamorph with reduced tail Recent metamorph with almost completely absorbed tail Recent metamorph Recent metamorph
Cascades Frog Cascades Frog    
Recent metamorph Recent metamorph    
Breeding Habitat
Cascades Frog Habitat Cascades Frog Habitat Cascades Frog Habitat Cascades Frog Habitat
Habitat during the breeding season, meadow pond, 3,900 ft., Kittitas County, Washington (with a frog visible in the foreground of the picture on the far right.) Breeding habitat, with egg masses and tadpoles, June, Pierce County


Cascades Frog Habitat Cascades Frog Habitat    
Breeding habitat, with egg masses,
June, Pierce County, Washington
Snow-melt pool in subalpine meadow with clusters of recently-laid eggs (shown above) 5,600 ft., June, Pierce County, Washington    
Short Videos of Eggs and Tadpoles
Cascades Frog Tadpoles Cascades Frog Eggs    
Cascades frog tadpoles in a still pool 6,400 ft. up in the mountains in Siskiyou County Views of some of the many egg masses in a breeding pond in the Washington Cascades Mountains.    

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