Animal Behavior and Reproduction

The paper examines challenges in reaction norm predictions for wild populations, focusing on errors-in-variables, reference value uncertainty, and validation difficulties, and proposes a validation method using split data and prediction error analysis.

The paper tests for heritable genetic variation in male mate choice for large females in Drosophila melanogaster and finds additive genetic variation in both pre- and post-copulatory components.

This study identifies genetic, natal, and spatial factors influencing social behaviors in wild great tits, finding small genetic effects and significant non-genetic influences.

The study investigates male mate choice in Bradysia coprophila, finding males prefer females that produce male offspring despite genetic differences, suggesting possible misperception or female concealment of sex-determining traits.

This study tracks activity variation in ruffs from early life to maturity, finding strong sex differences but inconsistent morph-specific activity differences.

This study shows Drosophila melanogaster females prefer longer sperm regardless of mating order and can adjust this preference based on factors like pheromones, indicating female-mediated cryptic choice.

This study shows that parental rejection in owl monkeys reduces offspring survival and alters behavior, with evidence of miRNA changes potentially linking to epigenetic transmission.

The paper examines how exposure to novel females affects testis mass and sperm production in male prairie voles, showing increased reproductive output in socially monogamous males.

The study examines nest construction repeatability in House Wrens, finding that cup composition is repeatable but nest dimensions are cavity-driven and not linked to fitness.

This study shows that reproductive decline in old polygynous males is due to seminal fluid limitations, not sperm number, using Drosophila melanogaster.

The study compares two populations of Neolamprologus brevis cichlids, finding that higher social interaction frequency correlates with larger brain size and specific neuroanatomical changes.

This study shows that social information from conspecific rivals influences oviposition decisions in Aedes aegypti, with effects varying by spatial scale and ecological context.

This study examines weapon diversity and aggression in field crickets, finding that body size affects contest outcomes but weapon shape and aggression are more closely linked.

This study models how individual task specialization influences division of labor in vertebrates, finding that direct survival benefits drive cooperation, while harsh environments favor division of labor.

This study identifies genetic factors underlying gut length variation in Lake Malawi cichlids, showing sex-specific quantitative trait loci and epistatic interactions linked to trophic level differences and sexual conflict.

This study compares brain size and architecture across ten cichlid species in different habitat complexities, finding larger brains in less complex habitats, challenging the Clever Foraging Hypothesis.

This study quantifies male African elephant personality durability across social contexts, finding consistent behaviors and social influences on individual character.

This study tracks 128 plants over 38 years to show that lifetime fecundity schedules vary among individuals and are subject to selection.

This paper conducts a meta-analysis of experimental studies to assess the role of pleiotropy in the evolution of animal color and behavior, finding a positive association between aggression and coloration across species.

The paper investigates breeding coloration in male cardinalfish, finding that inconspicuous white structures in the lower jaw help conceal eggs during mouthbrooding, suggesting a functional shift from attracting mates to increasing survival.

The paper investigates whether personality homophily drives friendships in female water buffalo, finding that lower differences in social tension and dominance traits correlate with closer spatial associations.

This study investigates how disturbance and social environment affect background colour choice in rock-pool mosquitoes, finding significant social influence and individual variation.

The paper examines sex-specific changes in boldness and exploration in midday gerbils, finding that female colonists retain bold traits over generations while male traits decline.

The paper examines how social rank in African cichlid fish affects courtship and mating success in a controlled social experiment.

The paper examines how sex, plumage coloration, and boldness influence foraging strategies in European serins, showing sex-dependent links between individual traits and social foraging tactics.

The paper models optimal immunity investment under varying parasite pressure and sexual selection, showing resistance futility at high parasite abundance and tolerance futility at high virulence, but joint resistance-tolerance traits remain profitable.

This study shows that dispersal evolution in Drosophila melanogaster under protein-poor larval diets leads to distinct trait changes compared to standard diets.

This study examines how sexual selection and genetic drift interact in finite populations, showing their impact on trait-preference correlations and allele fixation.

This study examines how heat exposure affects mating behavior and fertility in monandrous Drosophila subobscura, finding plastic responses in females but not males.

This study examines how social conditions and temperature affect reproductive success and offspring performance in burying beetles under controlled experimental conditions.