The California red-legged frog (CRLF) is a federal listed endangered species. Field surveys for CRLF were conducted at the Loma Rica Ran Project Site in September 2004. The methodology used followed guidelines set forth in the protocol developed by the USFWS: Guidance on S...
1988: Habitat correlates of distribution of the California red-legged frog (Rana aurora draytonii) and the foothill yellow-legged frog (Rana boylii): implications for management U S Forest Service General Technical Report RM 16(6): 144-158 Van Duzee, M.C. 1923: Expedition of the California...
foothill yellow-legged frogLithobates catesbeianusmercurynorthern pacific treefrogPseudacris regillaFish and wildlife may bioaccumulate mercury (Hg) to levels that adversely affect reproduction, growth, and survival. Sources of Hg within the Cache Creek Watershed in northern California have been identified...
Information on declines was derived from maps of historical sites and current population status for the Yosemite toad (Bufo canorus), California red-legged frog (Rana aurora draytonii), foothill yellow-legged frog (R. boylii), Cascades frog (R. cascadae), and the mountain yellow-legged frog (...
Earl GonsolinGarrett A. LeidyThe Southwestern NaturalistLeidy, R.A.; Gonsolin, E.; Leidy, G.A. 2009. Late-summer aggregation of the foothill yellow-legged frog (Rana boylii) in central California. The Southwestern Naturalist. 54(3): 367-368....
The foothill yellow-legged frog (Rana boylii), which breeds only in flowing water, is more likely to be absent downstream of large dams than in free-flowing rivers, and breeding populations are on average 5 times smaller in regulated rivers than in unregulated rivers. Time series data (range...