Sex Differences in Olfactory Communication in Saguinus labiatus |
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Authors: | Smith Tessa Ellen Gordon Stephen John |
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Affiliation: | (1) School of Biology and Biochemistry, Queen's University of Belfast, Medical Biology Centre, Belfast, Northern Ireland, BT9 7BL, UK |
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Abstract: | We assessed behaviors involved with depositing and receiving scent in three captive heterosexual pairs of red-bellied tamarins (Saguinus labiatus). The frequencies of scent deposition and scent investigatory behaviors differed between the sexes. Females scent marked exclusively by the anogenital gland. Males deposited 95.8% of scent marks via the anogenital gland and 4.2% via the sternal gland. Females scent marked at a significantly higher rate than that of males (0.9 ± 0.1 versus 0.3 ± 0.1 per 20 min, respectively). Males investigated the scent of their opposite-sex partners whereas females investigated no male scent. Mean ± SEM latency for males to investigate female scent was 208.7 ± 65.0 sec. Around 9% of all scent marks were overmarked within 8 min and there was a nonsignificant trend for males to overmark the scent of their female partners than vice versa. We discuss the sex differences in olfactory communication in red-bellied tamarins in terms of sexual selection theory. |
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Keywords: | scent marking Callitrichidae sexual selection communication tamarins Saguinus labiatus |
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