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Dataset results
9 results for “Loser effect”
Data from: Winner-loser effects on life history traits
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Supplementary data for "Additive and interactive cumulative effects on boreal landbirds: winners and losers in a multi-stressor landscape"
<p>Supplementary data for:</p> <p>Mahon, C. Lisa , Gillian L. Holloway, Erin M. Bayne, and Judith D. Toms. 2019. Additive and interactive cumulative effects on boreal landbirds: winners and losers in a multi-stressor landscape. Ecological Applications in press. <a href="https://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/eap.1895">https://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/eap.1895</a></p> <p>This file lists point count data selected for this analysis from the ECCC data available at <a href="https://www.canada.ca/en/environment-climate-change/services/oil-sands-monitoring/monitoring-biodiversity-alberta-oil-sands.html">https://www.canada.ca/en/environment-climate-change/services/oil-sands-monitoring/monitoring-biodiversity-alberta-oil-sands.html</a>, under the “Cause-effect migratory landbirds at regional scales” and “Species-at-risk migratory landbirds” project links.</p>
Data from: Juvenile social experience affects pairing success at adulthood: congruence with the loser effect?
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Data from: Prior experience and contest outcome: winner effects persist in absence of evident loser effects in a parasitoid wasp
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Data from: Individual aggression, but not winner-loser effects, predicts social rank in male domestic fowl
Many factors can affect the probability for an individual to obtain a high social rank, including size, weaponry, and behavioral attributes such as aggression. Recent experiences of winning or losing can also affect the chances of winning future contests, commonly referred to as "winner–loser effects". Individuals often differ in behavior in a consistent way, including in aggression, thereby showing differences in personality. However, the relative importance of recent experience and aspects of personality in determining rank, as well as the extent to which winning or losing affects aggression, has rarely been studied. Here, we investigate these questions using male domestic fowl. We matched males for body size, comb size, and aggression in pair-wise duels to: 1) study the effect of contest outcome on aggression and 2) compare the effect of individual aggression and contest experience on future social status in small groups. We found that aggression was a highly repeatable personality trait and that aggression increased after winning and decreased after losing. Nevertheless, such winner–loser effects were not enough to increase the odds of becoming dominant in a small group. Instead, aggressiveness measured prior to a contest experience best predicted future rank. Boldness and exploration did not predict rank and of the 2, only boldness was positively correlated with aggressiveness. We conclude that for male domestic fowl in contests among phenotypically matched contestants, aggressiveness is more important for obtaining high rank than winner–loser effects, or other aspects of personality.
Data from: Loser-effect duration evolves independently of fighting ability
Winning or losing contests can impact subsequent competitive behaviour and the duration of these effects can be prolonged. While it is clear effects depend on social and developmental environments, the extent to which they are heritable, and hence evolvable, is less clear and remains untested. Furthermore, theory predicts that winner and loser effects should evolve independently of actual fighting ability, but again tests of this prediction are limited. Here we used artificial selection on replicated beetle populations to show that the duration of loser effects can evolve, with a realized heritability of about 17%. We also find that naïve fighting ability does not co-evolve with reductions in the duration of the loser effect. We discuss the implications of these findings and how they corroborate theoretical predictions.
Data from: Loser-effect duration evolves independently of fighting ability
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Data from: Individual aggression, but not winner-loser effects, predicts social rank in male domestic fowl
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Data from: Does the winner-loser effect determine male mating success?
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Allen Brain Atlas
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