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68 results for “female mate choice”
Data from: Genetic coupling of female mate choice with polygenic ecological divergence facilitates stickleback speciation
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Data from: Quantitative genetic analyses of male color pattern and female mate choice in a pair of cichlid fishes of Lake Malawi, East Africa
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Data from: A probable case of incipient speciation in Schizocosa wolf spiders driven by allochrony, habitat use and female mate choice
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Anthropogenic noise disrupts mate choice behaviors in female Gryllus bimaculatus
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Data from: Facultative pupal mating in Heliconius erato: implications for mate choice, female preference, and speciation
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Dataset: Male ultraviolet reflectance and female mating history influence female mate choice and male mating success in a polyandrous lizard
<p>This is the online dataset corresponding to the article </p> <p><strong>Male ultraviolet reflectance and female mating history influence female mate choice and male mating success in a polyandrous lizard </strong>published in Biological Journal of Linnean Society in 2020.</p>
An experimental test to separate the effects of male age and mating history on female mate choice
<p>Should females prefer older males as mates? Male survival to old age might indicate the presence of fitness-enhancing genes that increase offspring fitness. However, many correlational studies show that mating with older males can lower female fecundity, and even reduce offspring fitness due to epigenetic or germline mutation effects. One problem in quantifying female choice based on male age is that age is usually confounded with mating history. This begs a question: Do females choose males based on their age, or their mating history? The answer requires an experimental approach, but few such studies exist. Here we test if experimentally-induced variation in the mating history of old and young males (12 week difference in post-maturity age) affects female choice in the eastern mosquitofish (<i>Gambusia holbrooki</i>). To vary mating history, adult males were either allowed to freely mate with females for three weeks, or they only had visual contact with females. Immediately thereafter, we ran four-choice mating trials, using association time, to test the effects of male age and mating history (2x2 design) on male attractiveness. Females did not show a clear preference for males based on either characteristic. This was not due to a lack of female choice: females spent significantly more time with larger males. In addition, female choice was significantly repeatable across four trials: twice as a virgin, twice as a non-virgin. Finally, female mating status (virgin or non-virgin) did not affect her choice of mate, although virgin females spent significantly more time associating with test males.</p>
Data from: Spatio-temporal dynamics of field cricket calling behaviour: implications for female mate search and mate choice
Amount of calling activity (calling effort) is a strong determinant of male mating success in species such as orthopterans and anurans that use acoustic communication in the context of mating behaviour. While many studies in crickets have investigated the determinants of calling effort, patterns of variability in male calling effort in natural choruses remain largely unexplored. Within-individual variability in calling activity across multiple nights of calling can influence female mate search and mate choice strategies. Moreover, calling site fidelity across multiple nights of calling can also affect the female mate sampling strategy. We therefore investigated the spatio-temporal dynamics of acoustic signaling behaviour in a wild population of the field cricket species Plebeiogryllus guttiventris. We first studied the consistency of calling activity by quantifying variation in male calling effort across multiple nights of calling using repeatability analysis. Callers were inconsistent in their calling effort across nights and did not optimize nightly calling effort to increase their total number of nights spent calling. We also estimated calling site fidelity of males across multiple nights by quantifying movement of callers. Callers frequently changed their calling sites across calling nights with substantial displacement but without any significant directionality. Finally, we investigated trade-offs between within-night calling effort and energetically expensive calling song features such as call intensity and chirp rate. Calling effort was not correlated with any of the calling song features, suggesting that energetically expensive song features do not constrain male calling effort. The two key features of signaling behaviour, calling effort and call intensity, which determine the duration and spatial coverage of the sexual signal, are therefore uncorrelated and function independently.
Data from: Female assortative mate choice functionally validates synthesized male odors of evolving river-lake stickleback ecotypes
During mate choice decisions, females of many vertebrates use male olfactory cues to achieve immunogenetic optimality of their offspring. Three-spined sticklebacks (Gasterosteus aculeatus) populating habitats that differ in their parasite communities evolve locally adapted combinations of genetic variants encoded at the Major Histocompatibility Complex (MHC). Such adaptation confers optimal resistance to the local parasite fauna. Immunogenetic signatures co-evolved with local parasites favor population-specific assortative mate choice behaviour. Previous studies have shown that female sticklebacks evaluate male MHC-associated olfactory cues during the process of mate choice, but how habitat-specific information is exchanged between males and females has remained elusive. Here, we directly demonstrate the molecular nature of the olfactory cue providing habitat-specific information. Under controlled laboratory conditions females that are ready to mate prefer mixtures of synthetic MHC peptide ligands mimicking the optimal allele number of their original population. These results imply that female sticklebacks can determine the number of MHC alleles of their prospective mates, compare it to their own immunogenetic status, and, if optimal with respect to the immunogenetic complementarity, accept the male as mate. Our results suggest a potentially common mechanism of ecological speciation in vertebrates that is based on the olfactory assessment of habitat-specific immunogenetic diversity.
Data from: Female preference for male courtship effort can drive the evolution of male mate choice
The evolution of male mate choice is constrained by costs of choice in species with a male-biased operational sex ratio. Previous theoretical studies have shown that significant benefits of male choice are required, e.g., by mating with more fecund females, in order for these costs to be offset and a male preference to spread. In a series of population genetic models we show the novel effect that male mating preference, expressed as a bias in courtship, can spread when females prefer, and thus are more likely to mate with, males who court more. We explore two female preference functions for levels of male courtship, one representing a threshold and the other a weighted female preference. The basic finding generally holds for both preference functions. However, the preference function greatly affects the spread of a male preference allele after the addition of competing males who can court more in total. Our results thus stress that a thorough understanding of the response of females to male courtship is a critical component to understanding male preference evolution in polygynous species.
Data from: Male phenotypic diversity experienced during ontogeny mediates female mate choice in guppies
Early social experience can be important in shaping female mate choice. Previous work has shown that females adjust their decisions based on the distribution of male sexual trait values encountered during development. However, other phenotypic features could be important in the formation of mate preferences if, for example, they provide additional information about the males available. Here, we examined how the level of overall phenotypic variance (independent of trait values) experienced during ontogeny, mediated female choice in guppies, Poecilia reticulata. Developing females were reared with males either all different in colouration or all similar in colouration or with adult females representing high variance, low variance and no experience of male variance respectively. We found that females were more sexually responsive when reared with females only than in either of the male treatments. When reared with males, responsiveness was greater in the low-variance compared to the high variance treatment. Moreover, females had stronger sexual preferences following rearing in the high variance compared to the low variance condition. In turn, males switched mating tactics, increasing the rate of coerced copulation attempts when facing choosier females, possibly to balance the loss in mating opportunities. Taken together, these results demonstrate the adaptive plasticity of female mating decisions and the dynamic selection pressures they might impose on the evolution of male sexual traits, potentially contributing to the maintenance of the extreme polymorphism found in male colour patterns.
Data Repository Assortative mate choice in Heliothis subflexa females in response to Ophryocystis elektroscirrha-like
<p>The repository of data gathered during the bachelor project.</p>
Data from: Female-induced remote regulation of sperm physiology may provide opportunities for gamete-level mate choice
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Data from: Female assortative mate choice functionally validates synthesized male odors of evolving river-lake stickleback ecotypes
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Data from: Male mate choice based on female coloration in a lizard: the role of a juvenile trait
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Data from: Male phenotypic diversity experienced during ontogeny mediates female mate choice in guppies
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Data from: Female discrimination thresholds frequently exceed local male display variation: implications for mate choice dynamics and sexual selection
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Data from: Female mate choice predicts paternity success in the absence of additive genetic variance for other female paternity bias mechanisms in Drosophila serrata
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Data from: Female preference for male courtship effort can drive the evolution of male mate choice
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Data from: Female brain size affects the assessment of male attractiveness during mate choice
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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