IUCN / SSC Cat Specialist Group - Digital Cat Library |
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| Gilfillan, G.D.; Vitale, J.D.T.; McNutt, J.W.; McComb, K. | |
| Spontaneous discrimination of urine odours in wild African lions, _Panthera leo_ | |
| 2017 Animal Behaviour (126): 177-185 | |
Olfactory communication is the primary mode of communication for many mammals, yet research on this form of signalling is still largely descriptive in most species. Thus, despite the apparent importance of scent marking in the social lives of wild felids, experimental studies directly investigating the function of olfactory communication are lacking. We conducted scent presentation experiments to investigate whether wild African lions can discriminate another lion's social group and sex from a sample of its urine. Our results indicated that lion urine has the potential to signal depositor sex and social group, and that lions can use urine to discriminate males from females and residents from nonresidents. The response of lions to urine was also dependent on both the sex and age of the subject receiving the presentation. Female lions responded less frequently to urine from resident females than to either nonresident females or resident males. Males responded more strongly to urine from resident males than resident females, but did not appear to differentiate urine from nonresident and resident females. Observations of flehmen and further scent-marking responses from lions provide additional evidence that lion urine functions in scent marking. These results establish that urine scent-marks contain sufficient information for receivers to discriminate the sex and social affiliation of the signaller, and demonstrate the functional relevance of scent marking in African lions. |
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