Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Murray
1949
2
Eutamias sonomae
Sept. 10 Red Mt., 5300 ft, 14 mi S Hayfork, Trinity Co., Calif.
a chattering, sounding bat like, when excited.
The sound is very hard to locate. When approached
the chipmunks become silent and remain
motionless at the base of their bush. So concealed,
they wait until one is within 4 or 5 feet before
rushing away