Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1975
White-winged Junco
Junco hyemalis aikem
May 8 Barr Lake area, Adams Co., Colo.; 1 in cottonwoods along south edge of lake - very late