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- W749631731 abstract "In acoustically communicating species, females often evaluate the frequency content, signal duration and the temporal signal pattern to gain information about the age of the signaller. This is different in the synchronizing bush cricket Mecopoda elongata where females select males on the basis of relative signal timing in duets. In a longitudinal approach, we recorded songs of M. elongata males produced 2 weeks (young male) and 9 weeks (old male) after their ultimate moult. Signal timing of both age categories was studied in acoustic interactions, and female preference was investigated in choice situations. Young male chirps were significantly shorter and contained less energy compared to old chirps. In mixed-age duets younger males timed their chirps as leader significantly more often. Females preferred the young male chirp when broadcast as leader over the old male chirp, but choice was random when the old male chirp was leader. This choice asymmetry was abolished after reducing the duration of the old chirp. Results were mirrored in response of a bilateral pair of auditory neurons, where the asymmetry in spike count and first-spike latency correlated with behaviour. We suggest that older males may compensate their disadvantage in a more complex chorus situation." @default.
- W749631731 created "2016-06-24" @default.
- W749631731 creator A5002591559 @default.
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- W749631731 date "2015-05-10" @default.
- W749631731 modified "2023-10-01" @default.
- W749631731 title "Male age and female mate choice in a synchronizing katydid" @default.
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- W749631731 doi "https://doi.org/10.1007/s00359-015-1012-9" @default.
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