Mate Choice versus Mate Preference: Inferences about Color-Assortative Mating Differ between Field and Lab Assays of Poison Frog Behavior

Mate Choice versus Mate Preference: Inferences about Color-Assortative Mating Differ between Field and Lab Assays of Poison Frog Behavior
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配偶选择与配偶偏好:毒蛙行为现场和实验室分析之间颜色选配交配差异的推论

DOI:
10.1086/702249
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发表时间:
2019
期刊:
The American Naturalist
影响因子:
--
通讯作者:
Pröhl H.
Pröhl H.
中科院分区:
--
文献类型:
--
作者:
Yang Y;Blomenkamp S;Dugas M.B;Richards-Zawacki C.L;Pröhl H.

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在物种形成的早期阶段,交配特征和交配偏好的共同差异可能会导致谱系之间的行为隔离。然而,配偶偏好只有在表现为配偶选择时才会限制基因流动,而且在自然界中,许多因素可能比偏好更重要。在极具颜色多型性的草莓毒蛙(Oophaga Pumilio)中,在所测试的大多数异地种群中,雌性伴侣的偏好与颜色存在共同分歧。目前尚不清楚这些实验室测试的偏好是否可以预测野生动物的交配(基因流动)。我们观察到在红色和蓝色血统之间的自然接触带上的求偶对,直到产卵或求偶终止。我们在种群密度较高的干扰生境中发现了颜色搭配交配,而在密度较低的次生林中没有发现。我们的结果表明颜色是匹配的。野生脊椎动物的选择,但交配模式也与实验室分析的喜好预测的不匹配。
Codivergence of mating traits and mate preferences can lead to behavioral isolation among lineages in early stages of speciation. However, mate preferences limit gene flow only when expressed as mate choice, and numerous factors might be more important than preferences in nature. In the extremely color polytypic strawberry poison frog (Oophaga pumilio), female mate preferences have codiverged with color in most allopatric populations tested. Whether these lab-assayed preferences predict mating (gene flow) in the wild remains unclear. We observed courting pairs in a natural contact zone between red and blue lineages until oviposition or courtship termination. We found color-assortative mating in a disturbed habitat with high population density but not in a secondary forest with lower density. Our results suggest color-assortativeO. pumiliomate choice in the wild but also mating patterns that do not match those predicted by lab-assayed preferences.
巴拿马博卡斯德尔托罗群岛草莓毒蛙 (Dendrobates pumilio) 不同颜色形态的杂交育种
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