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<br />+ km). The white-crowned sparrow was~~the :mst abt ' t s_cecies er~ountered <br />(58.7 individuals/lan) and skx~wed an affinity for this type. <br />The song sparrow was observed only in the riparian habitat durira, the winter <br />surveys and was observed in sufficient nwcters to indicate an affinity for <br />this type . ire other species which shared att affinit}• for ribarian habitats <br />during winter surveys was the Oregon junco. <br />Alfalfa field. Three passerine species wire observed in the alfalfa field <br />during the winter surveys: western meadowlark, white-crowned sparrow and <br />raven. The western meadowlark and white-crowned sparrow were therrnst abundant ' <br />passerines encountered with relative abundance indices of 35.3 and 12.0 <br />individuals/Jcn, respectively. This habitat supported the second higt~st <br />to~:al avian population (50.0 inaividuals/lcn) and the second highest species <br />diversity index t0.76). The western meadowlark was observed only in the <br />alfalfa type during the winter transacts and exhibited an affinity for this <br />tYF~- <br />•t-~ Juniper. The juniper vegetation type supported three passerine species <br />during the winter surveys: Oregon junco, white-crowned sparrow and raven_ <br />The former species was the most abunc't<mt species encountered (15.3 innividuals/ <br />km). This habitat type supported the third highest total avian population <br />(17.3 individuals/)mi). The species diversity indE7c (0.43) was <br />relatively low because most observations were of the Oregon junco. Accordingly, <br />the Oregon junco exhibited an affinity for the juniper type. <br />Grassland pasture. The only tuo passerine species encountered in the grassland <br />pasture habitat during the winter passerine transacts were the .raven and ccn:~n <br />crow. This habitat supported the second locx3st total avian population {3.3 <br />individuals/Wgl. The ShaTVaan=Reiner species diversity index was 0.50. <br />Upland sagebrush. The raven was the only species encountered along tie sage- <br />brush transacts during the winter surveys. Accordingly, the Shanrx+n-j<einer <br />diversity incie~c was O,D. This habitat su-r,.~orted the lw~st total avian ponu- <br />lation (2.0 iniividuals/lvn) during rile winter survey. <br />-35- <br />\J <br />JUN 1 1 1980 <br />(Revised August 2006) Attachment 2.04.10-10-42 <br />