California Reptiles & Amphibians
Rana sierrae - Sierra Nevada Yellow-legged Frog, Eggs and Tadpoles
(formerly Rana muscosa - Mountain Yellow-legged Frog)
Click on a picture for a larger view
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| Several egg masses, Alpine County | One egg mass, Alpine County | Mature tadpole (2 or 3 years old) |
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| Group of mature tadpoles in shallow water | Mature tadpole (right) and younger tadpole (left) |
Young tadpole (probably 1 year old) |
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| Adult male guarding egg site, Fresno County © Vance Vreedenburg | ||
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| Breeding and egg-laying habitat, 8,800 ft., Alpine County | Tadpole habitat, 8,800 ft., Alpine County | Habitat, breeding season, Fresno County © Vance Vreedenburg |
Short Video |
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| Several pairs of male and female frogs in amplexus are seen in this video with females. They are successfully fought off by the amplexing males, usually by a strong kick, but sometimes a long wrestling match ensues. Eggs can be seen in the background along with a view of the breeding area. | ||
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