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A scraping rasp is the call of the Sierra Nevada Yellow-legged Frog (Rana sierrae).

Specifically, the voice of the Sierra Nevada Yellow-legged Frog includes stutters and emphasizes loud endings. An audibly strained quality to the call distinguishes it from the very similar call of the Sierra Madre Yellow-legged Frog (R. muscosa). The call may be heard once the ice and the snow melt and stream levels stabilize, between March and June. But it is made underwater so it often is missed by frog fans.

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14y ago

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