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The Volcan Mountain Preserve Ponds
Several naturally occurring ponds exist on Volcan. These ponds are home
to many distinct flora and fauna species. Characteristic plants around these ponds may include willow (Salix spp.), Fremont cottonwood (Populus fremontii), white alder (Alnus rhombifolia),western sycamore (Platanus racemosa), and chaparral ash (Fraxinus velutina var. coriacea).
Several amphibian species inhabit the pond areas. They include the endangered large-blotched ensatina (Ensatina ensatina klauberi), Pacific tree frog (Hyla regilla) and Woodhouse’s toad (Bufo woodhousii).
To be expected are California toad (Bufo boreas), arboreal salamander (Aneides lugubris), garden slender salamander (Batrachoseps pacificus major), and California newt (Tricha torosa).
The introduced Bullfrog (Rana catesbeiana) exerts extreme predation pressure on native species of amphibians, reptiles, and even birds and bats.
Efforts are now being made to eradicate them.
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