Field notes, v1362
Page 107
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
cooper, 1935 10 mi. W. Justine (and Newman), Stanis- laus Co., Calif. August 9, Brown toucan, Brown thrasher, valley- guail, California jay, green-backed goldfinch, mourning dove, turkey buzzard, wren-tit, plain titmouse. The guails are very abundant, several coveys (brood of year most likely) of from 8 to 12 birds each having been seen within an area of 1 square mile. The south slope of this canyon looks like it should be suitable environment for pocket mice and perhaps kangaroo rats. However, the chances of securing wood rats will probably be none too good. The brush is too open and too dry. Last night I set out thirty mouse and rat traps (20 and 10 respectively) along the creek bottom, and up each side of the stream bed. This morning I found 3 Peromyscus truei and 1 Perognathus c. in my traps, a very poor percentage. A thorough poisoning campaign carried on by the landowners themselves against rodents two years ago probably reduced their number of small native animals to a low level. Woodrats, once fairly abundant here are now seldom, if ever,