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Ultrasonic vocalizations by adult prairie voles,Microtus ochrogaster |
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| Authors: | Dr. J. J. Lepri M. Theodorides Ch. J. Wysocki |
| Affiliation: | (1) Monell Chemical Senses Center, 3500 Market Street, 19104 Philadelphia, Pennsylvania, USA;(2) Department of Animal Biology, University of Pennsylvania School of Veterinary Medicine, 19104 Philadelphia, Pennsylvania, USA;(3) Department of Biology, Princeton University, 08544 Princeton, NJ, USA |
| Abstract: | Summary Male and femaleMicrotus ochrogaster were presented with anesthetized and awake conspecifics while ultrasonic vocalizations (USVs) were monitored. Males produced significantly more USVs than females during 5-min testing sessions. Males tended to produce more USVs to unfamiliar females than to familiar female siblings. Sexual experience led to increased USV scores by males. These results suggest that USVs by male prairie voles communicate to females the male's gender and his availability for reproductive behavior. |
| Keywords: | Prairie voles Microtus ochrogaster ultrasonic vocalizations reproductive behavior sexual experience |
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