Laserfiche WebLink
<br />lmportant Wintering Passerine Species. The white-crv.~ned sparrow was the most <br />abundant species en~untered during the winter passerine surveys, averaging <br />14.3 individuals/}an over all transects. This species was observed in the <br />alfalfa field, juniper and riparian habitats and exhi.bi ted a definite affinity <br />for the ri~ria~ type. SJhi. tie-cra,~ied sparrows are usually fourui in thickets <br />adjacent to fields or open areas (Robbins et al. 1966). <br />The '3regon junco was the second frost abundant species observed averaging <br />8.0 individuals/lan over all transects. The Oregon junco was observed in t3-.e <br />juniper and riparian types arrd exhi.bitrd an affinity £or the riparian type. <br />This species is usually abundant in coniferous forests; however, in winter <br />the Oregon junco is oom:nn in farmyards and Fields {Robbins et al. 1966). <br />The third most abundant species observed was the western meadowlazk averaging <br />7.1 individuals/Irni over all transects. Ycxnever, this species was observed only <br />in the alfalfa field habitat, where it was the most abundant species observed <br />(35.3 individualS/)an). The western neadowlark is a year-round resident of <br />the study area. <br />Although the raven was not found in high nwnbers in any habitat type, it did , <br />have a widespread distribution among habitats on the study area. It was found <br />in all types sampled and as a result of the low numbex of observations an <br />affinity for any one habitat was not apna*+A*+t. <br />Qualitative Surveys. qualitative surveys of areas not subjected to strip <br />census were coxxiucted during all wildlife studies to ccH~ile a ootrylete list <br />o£ birds occupying the study site. Passerine species observed during these <br />qualitative surveys but riot encountpsed on transects were: rock wren, western <br />kingbird, and yellow warbler. These passerines were sighted during the summer <br />qualitative surveys. The western kingbirds are ootmnnly found about farms <br />and along st.~-earns where scattered trees provide nesting opportunities..The <br />one western kingbird sighted on the study area was in a grove of trees at the <br />farmstead on the study azea. <br />~- ~ Flock wrens are earrrnn in rocky areas. One rock wren was observed in the pin- <br />. -36- <br />• <br />JUN 1 1 t9t)0 <br />(Revised Ju1y2006) Attachment 2.04.11-1-43 <br />