Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Cogswell
1949
Chen hyperborea
Feb.5 approx. 6 mi. E of woodland, Yolo Co., Calif.
a flock of 15 flew low & circled over mass
of feeding ducks & Canada geese, but failed
to alight (because we were there ?).