Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1947
Mar. 8
Hutton Vireo
Strawberry Canyon, U.C. campus, Alameda Co., Calif.
At 11:20 A.M. one individual was seen in an oak tree. It doesn't appear as neworo as the Ruby-
crowned Kinglet, although it is similar in appearance.
The white wing bar is more prominent in this
vireo.