论文信息 - Oxygen Consumption, Estivation, and Hibernation in the Kangaroo Mouse, Microdipodops pallidus

Oxygen Consumption, Estivation, and Hibernation in the Kangaroo Mouse, Microdipodops pallidus

T HE pallid kangaroo mouse occurs only in the desert parts of western Nevada and extreme eastern California. Its habitat is restricted to areas of fine sand which support some plant growth. Like its relatives, the kangaroo rats (Dipodomys) and the pocket mice (Perognathus), it is nocturnal, fossorial, and gramnivorous and can under some circumstances live indefinitely on a dry diet without drinking water. The general life history (Hall and Linsdale, 1929) of this kangaroo mouse and the details of its distribution (Hall, 1946) are known, but virtually no quantitative data on its physiology are available. The present study was undertaken to compare the thermoregulation of Microdipodops with that of the better-known genera, Dipodomys and Perognathus. These three genera belong to the family Heteromyidae, which has been more successful in occupying the arid parts of western North America than any other group of mammals.

R. Macmillen | G. Bartholomew

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