Abstract
Abstract Although several mammals impregnate their fur with environmental odors, a phenomenon termed scent anointing or rubbing, the functional relevance of this behavior often is unclear. One theory is that scent anointing could be a form of scent matching with environmental odors to signal competitiveness and home range occupation. In this study we presented giant pandas with a range of odors to determine whether scent matching could provide a functional explanation for scent anointing in this species. We found that only a musk-based perfume elicited significantly more scent-anointing and scent-marking behavior than control. Males were also significantly more likely to scent-anoint and scent-mark than females. A preference for anointing, but not scent marking, when presented with peppermint (an insecticide) also was revealed. Our results suggest that giant pandas differentially scent-anoint with foreign odors to signal home range occupation, and possibly to repel ectoparasites. We also highlight how chemical signaling of resource-holding potential is likely to play an important role in determining competitive interactions between adult male giant pandas.
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