Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Zanks
(957)
Hylorchla guttata
9 March 1957
U.C. Campus Berkeley Alameda Co., Calif.
Saw several of these thrushes around campus.
Noticed the wing fluttering when they are perched, as Dr. Miller had mentioned in '13. It is a rapid flicking (2-3 flicks) of the wings. Very noticeable character, once observed.