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Phonotaxis to advertisement calls by midwife toads (Alytes muletensis) is not necessarily related to mating

机译:助产士蟾蜍(alytes muletensis)对广告电话的语速不一定与交配有关

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摘要

Previous studies with the Mallorcan midwife toad () found that gravid females show inconsistent phonotactic preferences for male calls unless they are highly motivated to mate; and, non-gravid females will occasionally show phonotaxis to male advertisement calls. These results suggest that sometimes phonotaxis may not be related to seeking a mating partner. In this article we report on experiments that give further support to a non-mating function of phonotaxis in this species. Males and metamorphs were played conspecific male and female advertisement calls. Males that were expected to be unmotivated to mate were not less likely to respond to, or less consistent in their choice of, female calls than males who were expected to be motivated to mate. Metamorphs who were not yet in breeding condition nevertheless showed positive phonotaxis. We suggest that Mallorcan midwife toads may sometimes show phonotaxis simply to seek out refuges where toads aggregate.
机译:先前对Mallorcan助产士蟾蜍()进行的研究发现,妊娠雌性动物对雄性的电话表现出不一致的变音偏爱,除非她们有强烈的交配动机。而且,非重音女性偶尔也会对男性广告打招呼。这些结果表明,有时视错觉可能与寻求交配伴侣无关。在这篇文章中,我们报告了一些实验,这些实验进一步支持了该物种的视光异常的非交配功能。男性和变形者被打成特定的男性和女性广告电话。与没有动机的雄性相比,没有动机去交配的雄性对雌性电话的反应或选择的一致性不会降低。然而,尚未处于繁殖状态的变态表现出正视变律。我们建议Mallorcan助产士蟾蜍有时可能会表现出视错觉,只是为了寻找蟾蜍聚集的避难所。

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