Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mudamine
Notes
11.
Vole (Microtus?) MUU D6879, 75, 85, 8889
1954
April 21-24
Barun River Valley elev 12,600ft. Near [illegible]. In all open dry grass (now becoming green) there is much runway & burrow evidence of these voles. The runways are either just under the grass or are on the surface and are 2-3" across. Burrows are frequent & are the same dimensions. No nests were seen, although several burrows (usually under rocks) were investigated. Below is a typical 6'x6' plot.
burrow
stick
Dry Grass
Rock
burrow
Rocks
Low Green
Forbs
green grass
Rocks
There is presently no apparent evidence of predation on these voles. A Martin was reportedly seen day before I arrived here and a Koenbergier & Falcon were seen by me on single occasions, besides the Shrike which was