Fort Collins, CO: 2000. Paperback. 131pp. Quarto [28 cm] Illustrated wraps. Very good. The title has been written in pen on the spine. Very good. The wraps are lightly soiled. The top edge of the front cover has a previous owner's name and a brief numerical notation. Item #35320
United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, General Technical Report RMRS-GTR-60. In 1995, the southwestern willow flycatcher was federally listed as an Endangered subspecies.