Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Marshall (1942)
Sayornis nigricans
Chilata A pair about
every 1/2 mile along the
two largest streams in the
area generally where
steep-walled rocky gorges. Strictly
limited to watercourses of
good size Very quiet
at this season - only the
single call note heard. Always
paired.