Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Cogswell
1949
Sterna forsteri
2
June 26 (cont.) " -- mouth of Salinas River, Monterey Co., Calif.
(given both when I was
far off within colony)
3.- a nasal "ga-a-agh" - perhaps a modi-
fication of #2. (given also as an alarm note)
4: "keek - keer - keer - keer-keer"
or preceded by shorter "tic" ---- { (given by
single birds flying in toward me from
distance; but not while I was
in the nesting area; significance?).