Swallow, tree X Swallow, violet-green X X X X X X X X Swift, white-throated X X X X X Tanager, western X X X X X X Thrush, hermit X X X Towhee, green-tailed X X X X X X Vireo, red-eyed X X X X X X Vireo, warbling X X X X X X Warbler, Audubon’s X X X X X X X X Warbler, Macgillivray’s X X Warbler, Wilson’s X X X X Warbler, yellow X Wren, canyon X X Wren, house X X X X X 1—Estes Park village area. 2—Gem Lake-Lumpy Ridge area. 3—Devil’s Gulch-North Fork area. 4—Tuxedo Park-YMCA area. 5—Mill Creek Valley. 6—Cub Lake Valley. 7—Fern Lake Trail to The Pool. 8—Sheep Lake and Horseshoe Park. 9—Bear Lake district. 10—Trail Ridge above treeline. APPENDIX C—COMMON AND SCIENTIFIC NAMES OF PLANTS This list of common names and their scientific (Latin) equivalents includes only those plants that are mentioned in the text. With minor exceptions, authority for the scientific names of all plants and for the common names of all plants except trees is the second edition (1942) of _Standardized Plant Names_, edited by Harlan P. Kelsey and William A. Dayton. Authority for common names of trees is _Check List of Native and Naturalized Trees of the United States (Including Alaska)_, by Elbert L. Little, Jr. (U.S. Department of Agriculture Handbook No. 41, published in 1953.) Trees and Shrubs Alder, thinleaf—_Alnus tenuifolia_ Aspen, quaking—_Populus tremuloides_ Birch, water—_Betula occidentalis_ Bitterbrush, antelope—_Purshia tridentata_ Cottonwood, narrowleaf—_Populus angustifolia_ Currant, wax—_Ribes cereum_ Douglas-fir—_Pseudotsuga menziesii_ Fir, subalpine—_Abies lasiocarpa_ Honeysuckle, bearberry—_Lonicera involucrata_ Juniper, Rocky Mountain—_Juniperus scopuloram_ Maple, Rocky Mountain—_Acer glabrum glabrum_ Mountain-ash, Greenes—_Sorbus scopulina_ Pine, limber—_Pinus flexilis_ Pine, lodgepole—_Pinus contorta_ Pine, ponderosa—_Pinus ponderosa_ Raspberry, American red—_Rubus idaeus strigosus_ Raspberry, boulder—_Rubus deliciosus_ Sagebrush, big—_Artemisia tridentata_ Spruce, blue—_Picea pungens_ Spruce, Engelmann—_Picea engelmannii_ Willow, Scouler—_Salix scouleriana_ Wildflowers