California Reptiles & Amphibians




Rana boylii - Foothill Yellow-legged Frog -
Eggs and Tadpoles











Egg mass, Linn County, Oregon Recently-laid egg mass, Linn County, Oregon Eggs ready to hatch, Linn County, Oregon
Egg masses underwater, Linn County, Oregon. Notice the silt covering the eggs. This helps to hide the eggs, reducing predation upon them.
In the foreground of the picture on the left, you can see the large mass of eggs shown in close-up on the right that dried out when either the water level dropped or, more likely, when a careless person removed the eggs from the water.
Hatchlings, just hatched, Linn County, Oregon Tadpole underwater, Santa Clara County Tadpole underwater, Santa Clara County
Tadpole with rear legs shown underwater, Santa Clara County Tadpole with 4 legs, shown underwater, Santa Clara County
Tadpole underwater, Douglas County, Oregon
Tadpole underwater, Douglas County, Oregon
Recently-hatched tadpoles (egg cluster below left) Linn County, Oregon
Habitat
Breeding habitat with eggs attached to rocks in foreground, Linn County, Oregon

Breeding habitat with eggs attached to rocks in foreground, Linn County, Oregon
Tadpole habitat, Santa Clara County
Short Video
 
 
Tadpoles feeding in a rocky creek in Douglas County, Oregon.
 


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