Microtus: A Simple Method of Recording Time Spent in the Nest

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Science  05 Jul 1963:
Vol. 141, Issue 3575, pp. 41
DOI: 10.1126/science.141.3575.41


A prairie vole, Microtus ochrogaster, was tagged with a radioactive label, a survey meter was placed over its nest, and the presence or absence of the animal in the nest was recorded on tape.