Christman, D. 1962 Journal 18 June Lexington Creek, 9,300 ft., Snake Range, White Pine Co., Nevada Warbling Vireos: the most abundant bird & most frequently heard. They are almost 100% confined to aspen groves tho they are seen in pines near the groves. None nesting yet; breeding activity. Empidonax: second most abundant kind of aspen groves, forests & open sage hills where trees are also found. Many calls and songs. The gray open slope kind calls a snipe-like "cheek" - the green one in forests a sharp "peek"; accented. Chasing noted in aspen groves. Spine finches abundant - always singing from top of a tree; singles, pairs usually. Audubon Warbler - seen in fir forest and flycatching from tops of aspen in groves near camp. - less abundant than withatches. Brown creeper - only one seen; quieter Black-headed Grosbeak - common, but not abundant, & singing - usually in or near aspen groves. Western Tanagers - frequent - more often seen than withatches, but not as much as chickadees. Frequently feeding on ground.