TESTOSTERONE AFFECTS THE ACOUSTIC STRUCTURE OF THE MALE CALL IN THE GREY PARTRIDGE (PERDIX PERDIX)
TESTOSTERONE AFFECTS THE ACOUSTIC STRUCTURE OF THE MALE CALL IN THE GREY PARTRIDGE (PERDIX PERDIX)
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DOI：
10.1163/156853994x00307
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发表时间：
1994-03-01
期刊：
影响因子：
1.3
通讯作者：
DESSIFULGHERI, F
中科院分区：
文献类型：
--
作者：
FUSANI, L;BEANI, L;DESSIFULGHERI, F
本文研究了睾酮(T)对非鸣禽--灰鸣禽“锈门”鸣声的影响。其中一半在10周龄时将丙酸三丁酯植入硅胶管内，其余为假手术对照组。一个月后，植入胚胎的男性表现出明显高于对照组的T水平，而治疗并不影响体型。对通话的个别录音进行了分析，并用数字光谱仪进行了准确的测量。T-雄鼠的叫声持续时间明显长于对照组。在春天，当血浆雄激素水平上升时，自然界中也描述了类似的延长。与对照组相比，T-雄鼠的叫声最强烈部分的频率变化范围更广，最小频率更低，这表明在外周/中枢水平上对叫声系统的激素控制。总而言之，T会影响雄性叫声的特定时间和频率特征。T和Call结构之间的关系可以使女性评估其潜在伴侣的质量和性动机。
The effects of testosterone (T) on the acoustic features of the ''rusty-gate'' call of the grey partridge, a non-oscine bird, were studied in 24 males kept in semi-natural conditions. Half of them were implanted subcutaneously with T propionate in Silastic tubes at 10 weeks of age, the remaining were sham operated as controls. After one month implanted males showed significantly higher T levels than controls, while treatment did not affect body size. Individual recordings of calls were analysed and accurate measurements were taken by a digital spectrograph. The duration of calls was significantly greater in T-males than in controls. A similar lengthening has been described in nature in spring, when plasma levels of androgens rise. The frequencies of the most intense portion of the call ranged more widely and had a lower minimum in T-males than in controls, suggesting an hormonal control on call system at the peripheral/central level. In conclusion T affects specific temporal and frequency features of the male calls. The relationship between T and call structure could enable females to assess quality and sexual motivation of their potential mates.