Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
"the whole bird
stuffy and small.
The Oregon chickadee's note is practically clear - more so perhaps than the California Bird. The Chestnut-backed is very awkie like a Squirrel." I heard the Oregon
"squeak once and then got him well started"
by whistling myself.
Several of them got off singing. Generally the song was the same but with a less perfect musical intonational and often a flatting and sliding of pitch which seemed to set the general case.
"I did not hear the
"Chestnut's song"
While exploring chickadee we discovered an Anthony's note Vireo.
I gave the Bullion note
chid and he came a running
It surely seemed like
it is a greener bird
than Weyler.
Soon I started a