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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 26, No. 3, 2005, pp. 230-236
Bioline Code: zr05002
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 26, No. 3, 2005, pp. 230-236

 en Male Siblings Competition and Their Recognition of Odor Between Familiar and Novel Conspecifics of the Same Sex in Root Voles
SUN Ping, ZHAO Ya-jun, ZHAO Xin-quan, LI Bao-ming


In this study,the social ranks of male root vole siblings ( Microtus oeconomus check for this species in other resources ) were determined by dyadic interaction test,and then their behavioral patterns to orders of fresh urine from familiar and novel male voles were investigated in a behavioral choice maze. The behavioral statistics showed that: 1. The urine marks can be used as the standard to estimate social rank when two voles in dyadic interaction. 2. Subordinates preferred familiar odors. They spent more time visiting and approached more frequently to familiar odors than strange ones. And they self-groomed much more in familiar odorant box than in strange one. 3. Dominants preferred strange odors, and showed significant differences between the familiar odors and the strange odors in visit time, sniff/lick frequency and time, self-grooming, and countermarks. 4. There existed a significant difference in behavioral pattern of response to strange odors between the dominant and subordinate voles. The results indicate that different response patterns of male voles in different social ranks reflect the different territorial behavioral patterns.

Root vole;Male sibling;Dyadic interaction;Social rank;Recognition of urine odorant

© Copyright 2005 Kunming Institute of Zoology, the Chinese Academy of Sciences
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