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- W4237589304 abstract "Three species of Darwin's Finches hybridize on the Galapagos island of Daphne Major. We examined mating patterns to determine if hybrids exhibit mate preferences. Geospiza fortis x G. scandensF1 hybrids backcrossed to both of the parental species, whereas all backcrosses bred with the parental species to which they were most related, or with hybrids. Paternal song was shown to be the crucial factor determining the mating pattern of G. fortis x G. scandens F1 hybrids and their offspring. Song is culturally inherited, transmitted faithfully from father to son (with few exceptions) as a result of an imprinting-like process. Size also contributes to the choice of mates. G. fortis x G. scandens F1 hybrid females paired with large G. scandens-like G. fortis males. G. fortis x G. fuliginosa F1 hybrids paired negatively assortatively with respect to the size of their G. fortis mates. Non-random mating of hybrids based on song, a non-generic trait, has interesting evolutionary consequences. Song characteristics and nuclear and mitochondrial genes flow from G. fuliginosa into the G. fortis population, whereas the direction of transfer of genetic and song information between G. fortis and G. scandens depends on which song was sung by the father of the hybrids." @default.
- W4237589304 created "2022-05-12" @default.
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- W4237589304 date "1997-03-01" @default.
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- W4237589304 title "Mating patterns of Darwin's Finch hybrids determined by song and morphology" @default.
- W4237589304 doi "https://doi.org/10.1006/bijl.1996.0103" @default.
- W4237589304 hasPublicationYear "1997" @default.
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