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Environmental Impact Statement - Sonoma Land Trust

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Table 3.5-2. Continued Page 2 of 12<br />

Common Name<br />

Scientific Name<br />

AMPHIBIANS<br />

Status<br />

Federal/State/<br />

Other Geographic Distribution Habitat Requirements<br />

Potential Occurrence in<br />

Project/Study Area<br />

California red-legged frog<br />

Rana aurora draytoni<br />

T/SSC<br />

Found along the coast and coastal<br />

mountain ranges of California from<br />

Marin County to San Diego County<br />

and in the Sierra Nevada from Tehama<br />

County to Fresno County<br />

Permanent and semipermanent aquatic<br />

habitats, such as creeks and cold-water<br />

ponds, with emergent and submergent<br />

vegetation. May estivate in rodent<br />

burrows or cracks during dry periods.<br />

High. Known to occur at project<br />

site.<br />

Foothill yellow-legged frog<br />

Rana boylii<br />

–/SSC<br />

Occurs in the Klamath, Cascade, north<br />

Coast, south Coast, Transverse, and<br />

Sierra Nevada Ranges up to<br />

approximately 6,000 feet<br />

Creeks or rivers in woodland, forest,<br />

mixed chaparral, and wet meadow<br />

habitats with rock and gravel substrate<br />

and low overhanging vegetation along<br />

the edge. Usually found near riffles with<br />

rocks and sunny banks nearby.<br />

None. No suitable habitat at<br />

project site.<br />

California tiger salamander<br />

Ambystoma californiense<br />

E/SSC<br />

Central Valley, including Sierra<br />

Nevada foothills, up to approximately<br />

1,000 feet, and coastal region from<br />

Butte County south to northeastern<br />

San Luis Obispo County.<br />

Small ponds, lakes, or vernal pools in<br />

grass-lands and oak woodlands for<br />

larvae; rodent burrows, rock crevices, or<br />

fallen logs for cover for adults and for<br />

summer dormancy<br />

Low. Nearest record more than<br />

10 miles from the project site;<br />

limited suitable breeding habitat<br />

on site.<br />

REPTILES<br />

Alameda Whip snake<br />

Masticophis lateralis euryxanthus<br />

Northwestern pond turtle<br />

Emys marmorata marmorata<br />

T/ Inhabits inner coast range mostly in<br />

Contra Costa and Alameda Counties<br />

with additional occurrence records in<br />

San Joaquin and Santa Clara Counties<br />

–/SSC<br />

Occurs from the Oregon border of Del<br />

Norte and Siskiyou Counties south<br />

along the coast to San Francisco Bay,<br />

inland through the Sacramento Valley,<br />

and on the western slope of Sierra<br />

Nevada<br />

Chaparral centered on a scrub<br />

community; however, whipsnakes<br />

venture into adjacent habitats, including<br />

grassland, oak savanna, and occasionally<br />

oak-bay woodland, for up to weeks at a<br />

time.<br />

Occupies ponds, marshes, rivers,<br />

streams, and irrigation canals with<br />

muddy or rocky bottoms and with<br />

watercress, cattails, water lilies, or other<br />

aquatic vegetation in woodlands,<br />

grasslands, and open forests<br />

No known occurrences in or near<br />

the action area.<br />

Moderate. Known occurrences<br />

within 10 miles of project site;<br />

limited suitable habitat onsite.

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