Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Marshall (1942)
Vireo solitarius
V de Santa Ana Probably a
base Cero de Los Naranjos when
all the vireos were migrating.
Chilata At least two singing
males established on permanent
territories in balsams at
edge groves & next to
main river gorge. Heard
daily and never collected.
Very high in top foliage
& always missed. Song
characteristic diagnostic, however.