Field notes, v560
Page 121
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
J. Chettn Lasionicterus nactivagans Stayawhile Spring, 5150 ft. Columbia Co. Wash. July 26 - Shot ♀ L. nactivagans flying over open clearing at height about 40 ft. (?) When first seen was was flying 10-20 ft above tall conifers but came down within range later. Others noted also were seen high in air in early evening, coming lower with approaching or increasing darkness. Moonlight.