ArticleThe Journal of heredity2018
Negative-Assortative Mating in the White-Throated Sparrow.
Article in The Journal of heredity, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Multivariate Models of Animal Sex: Breaking Binaries Leads to a Better Understanding of Ecology and Evolution.Integrative and comparative biology · 2023Pooled it
- Hypotheses for the Adaptive Maintenance of Phenotypic Polymorphisms.Ecology and evolution · 2026Review
- Using Historic and Contemporary Genomes to Assess the Genetic Consequences of a Population Decline in an Endangered Tern Population.Evolutionary applications · 2026Article
- Size, not color, drives assortative mating and influences fledging survival, weight and immunity in a polymorphic owl.Scientific reports · 2025Article
- Assessing the Association Between Animal Color and Behavior: A Meta-Analysis of Experimental Studies.Ecology and evolution · 2024Article
- Patterns of Genetic Diversity and Mating Systems in a Mass-Reared Black Soldier Fly Colony.Insects · 2021Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Nonrandom mating based on phenotype has been observed in a number of organisms, but a very high proportion of these examples are of assortative mating. The strongest example of negative-assortative mating is for white-striped versus tan-striped crown in the white-throated sparrow, where about 98% of the observed pairings (mated pairs or social pairs) are between mates with different phenotypes and the correlation between mating types is -0.964. Although nonrandom mating has been explored theoretically for decades, these models have generally not focused on specific well-documented examples. Here we have developed a model to investigate the dynamics and equilibrium of this iconic example. The observed pattern of mating appears to be the result of 96% negative-assortative mating and a 17% advantage of W (white) male × T (tan) female matings compared to the reciprocal T male × W female matings. The equilibrium heterozygosity given these values is 0.500, very close to the 0.501 observed in our large sample of pairings, and this heterozygosity has been maintained for the 29 years from 1988 to 2016. In addition, the equilibrium frequency of 2m inversion determining the white-striped phenotype has been maintained at a frequency very close to its equilibrium frequency of 0.25. Overall, this model demonstrates how evolutionary genetic models can be used to understand negative-assortative mating.
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