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Tree Nests of California Chipmunks (Eutamias)

Leonard R. Brand
The American Midland Naturalist
Vol. 91, No. 2 (Apr., 1974), pp. 489-491
DOI: 10.2307/2424347
Stable URL: http://www.jstor.org/stable/2424347
Page Count: 3
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Tree Nests of California Chipmunks (Eutamias)
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Abstract

Eight nests of Eutamias townsendii and E. quadrimaculatus were found in trees from 6 to 27 m aboveground. One nest found in the autumn was occupied by a male E. townsendii. The other seven nests were found during the summer, and were occupied by adult females with litters of young. The adult females seemed to stay in the nests only at night. Some litters stayed in the nest tree all day, other litters (possibly older ones), only at night. In a laboratory enclosure E. townsendii preferred nest boxes up to 2.1 m high, over nest boxes on the floor. These observations indicate that some Eutamias use tree nests more than indicated in the literature.

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