摘要: The Southwestern Willow Flycatcher (Empidonax traillii extimus) is a federally endangered migrant songbird breeding locally in riparian areas of New Mexico. The U.S. Army Corps of Engineers manages riparian habitat in the Rio Gran... 展开 The Southwestern Willow Flycatcher (Empidonax traillii extimus) is a federally endangered migrant songbird breeding locally in riparian areas of New Mexico. The U.S. Army Corps of Engineers manages riparian habitat in the Rio Grande bosque in the Albuquerque, New Mexico metropolitan area, some of which is potential Willow Flycatcher habitat. Since 2004, they have contracted Hawks Aloft to conduct Willow Flycatcher surveys at two bosque sites: Montano Southwest and the Rio Grande Nature Center. 收起