Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Marshall (1942)
steptoprope
V. de Santa Ana high-pitched
squeals you could be heard
when the birds were too
high to be seen.
Chilata - see Condor article.
Often in the am. the
flock would appear from lustre
up (announced by squeal)
& forage over a cleared
ridge or Cerro del Aguilas for
a short time.