Chipmunks' unpleasant reminders

Chipmunks tend to urinate on spots where they've dug up all the food—the first time a rodent has been discovered to scent mark depleted patches.

References:

Devenport, L., J. Devenport, and C. Kokesh. 1999. The role of urine marking in the foraging behaviour of least chipmunks. Animal Behaviour 57(March):557.

Sources:

Lynn Devenport
University of Oklahoma
Department of Psychology
100 North University Drive
Edmond, OK 73034

From Science News, Vol. 155, No. 14, April 3, 1999, p. 219. Copyright © 1999, Science Service.

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