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• The aspen community is usually covered .by heavy snow during the <br /> winter months and receives limited use by elk and deer during this <br />period. Forbs and grasses present in apsen habitat during spring <br />and early summer are grazed by elk and mule deer, but the <br />availability of this forage may be Liaited somewhat by grazing and <br />trampling by cattle. <br />Other mammals which utilize aspen habitat include vagrant <br />shrew, least chipmunk, beaver, and porcupine. Beaver and porcupine <br />feed on the inner bark and twigs of aspen trees. <br />The aspen stands may provide nesting habitat for raptorial <br />species such as Cooper's hawk, red-tailed hawk, and screech owl. <br />• Other bird species which commonly nest in aspen include common <br />flicker, house wren, American robin, orange-crowed warbler, <br />Wilson's warbler, and black-headed grosbeak. <br />Aquatic. Fish, Foidel and Middle Creeks and small stock ponds <br />provide the only aquatic habitat in the proposed permit area. The <br />ponds receive only intermittent inflow and, therefore, ezhibit <br />marked fluctuations in water level. <br />Riparian areas are utilized by cattle and have been trampled <br />around the edges. Due to the heavy use of stream side vegetation in <br />the vicinity of the proposed permit area by livestock, these areas <br />• receive limited use by wildlife. <br />2.04-87 <br />