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pocket gopher (Thomonys bottae) burrows and black-tailed jackrabbit (Lepus californicus) were also present on the site. Other small mammals likely to occur on the site include the ornate shrew (Sorex ornatus), western harvest mouse (Reithrodontomys megalotis), Norway rat (Rattus norvegicus), and California meadow vole (Microtus californicus). Small mammals often attract predators, including reptiles and birds previously discussed. The occurrence of small mammals may also attract larger mammalian predators known to occur in the region, including raccoon (Procyon lotor), whose prints where seen during the Apri12008 site visit, coyotes (Canis latrans) and bobcat (Lynx rufus). Other large mammals that occur on the site from time to time include the black-tailed deer (Odocoileus hemionus), which was observed onsite during the February 2008 site visit. It is likely that many of the species which utilize the site occur more frequently in habitat features that aze adjacent to the site. Just to the north of the project site, a row of aging walnut (Juglans sp.) trees was observed, providing habitat for a variety of common reptilian, avian, and small mammalian species. A hairy woodpecker (Picoides villosus) was observed foraging at these trees during the Februazy 2008 survey, and a western fence lizard and several California ground squirrels were observed around the base of these resources during the April 2008 survey. Also; large trees associated with pazcels to the south of the project site, provide potentially suitable nesting habitat for avian species, including raptors. 2.2 MOVEMENT CORRIDORS Many terrestrial animals need more than one biotic habitat in order to perform all of their biological activities. During the last decade, a proliferation of reseazch has identified increasing encroachment of humans on wildlife habitats as not only resulting in the loss of habitat, but also fragmenting remaining habitat patches by severing natural linkages or wildlife corridors. CEQA has long recognized the need for projects to evaluate whether or not a project would significantly impact movement corridors for fish and wildlife species. In addition, numerous efforts have been recently undertaken to identify and protect important regionally linkages. Important topographic or vegetation features which facilitate linkages or movement comdors include (but Ironwood 55+ Biotic Evaluation Live Oak Associates, Inc.