AI Article Synopsis
- - The study compares vocal behavior among three silver fox strains (Unselected, Tame, and Aggressive) across different human interaction methods (Provoking, Approach-Retreat, and Static).
- - It finds that vocal types are unique to each strain, and males produce calls more frequently but vocalize for shorter durations compared to females.
- - The results indicate that genetics influence emotional states that drive vocal behavior in silver foxes and highlight differences in vocal activity between male and female foxes when responding to humans.
Article Abstract
This study presents a first direct comparison of vocal type, call rate and time spent vocalizing among Unselected, Tame and Aggressive strains of silver fox () in three modes of human approach (Provoking, Approach-Retreat, and Static). Also, it provides a first comparison of male and female vocal output in the Provoking test. Vocal types were found strain-specific irrespective of the fox sex or the test. Males had higher call rates and spent shorter times vocalizing than females. These results support the evidence of genetic-based emotional states, triggering vocal behavior in silver fox strains, and suggest sex dimorphism in vocal activity toward humans.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3601802 | PMC |
| http://dx.doi.org/10.1007/s10164-012-0353-x | DOI Listing |
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