Animal Behavior and Reproduction

The paper uses a mathematical model to show that seminal fluid proteins in Drosophila melanogaster reduce sexual conflict by allowing females more flexibility in remating rates.

This study examines sex-specific behavioral and physiological responses to chronic predation risk in threespine stickleback, finding no long-term oxidative damage but sex differences in behavior and swim endurance.

The paper tracks early-life activity in genetically identical fish to show it predicts lifespan variation, finding a U-shaped relationship between activity levels and longevity.

The paper investigates how different aphid morphs use anticipatory or responsive plasticity strategies during host shifts, showing migratory morphs rely on pre-configured programs while summer morphs adapt through transcriptional changes.

This study shows that decoy placement, not group size, influences collective shoal-size preference in zebrafish, with context-dependent biases shaping decision-making.

The paper experiments with Drosophila melanogaster to show that male density affects offspring recruitment, though less strongly than female density dependence.

This study found that single egg fostering in zebra finches reduces female lifespan but not male lifespan, suggesting sex-specific long-term effects of early developmental stress.

The paper examines sex-specific breeding and helping strategies in sociable weavers, finding males help more frequently and for longer periods than females, with notable role-switching behavior.

The paper analyzes directional heritability across trait directions and shows how matrix geometry influences evolutionary constraint using empirical G-P matrix data.

The paper investigates how sexual interactions, specifically traumatic mating and male competition, affect the coexistence of cryptic species.

The paper examines how maternal environmental conditions affect phenotypic integration in pea aphid offspring, showing differential impacts on morphology and transcription.

This study shows that dietary ethanol affects feeding behavior, flight performance, and mating success in the butterfly Bicyclus anynana.

This study compiles the largest allonursing dataset from wild populations and analyzes its distribution, mechanisms, and functions across mammals and human cultures.

This study investigates cannibalism in three-spined sticklebacks, finding that males cannibalize embryos from both their own and other males' broods, with differences in cannibalism rates between populations.

This study shows that subordinate crows adjust their feeding speed in response to dominant crows' movements, while dominants do not adjust their behavior.

The paper shows male sulphur-crested cockatoos breed closer to their winter social associates, while females do not, indicating sex-dependent carry-over of social relationships to breeding proximity.

This study investigates whether social interactions influence reproductive behavior and egg production in female Drosophila melanogaster, finding inconsistent responses across populations.

The paper uses genetic pedigree data from Seychelles warblers to assess how life-history traits predict individual genetic contributions 15 years later, finding that lifetime reproductive success is the strongest predictor.

The paper investigates how parental age and crowding interact to influence offspring fitness in red flour beetles, finding that older parents in crowded conditions produce higher quality eggs.

This study examines how varying environmental enrichment complexity affects social dominance and welfare in cichlid fish, finding minimal welfare impact but reduced physiological and behavioral differences between dominant and subordinate males.

The paper shows that developmental adversity in red squirrels leads to adaptive changes in reproductive strategies over their lifetime, preserving fitness despite reduced opportunities.

The study manipulates territorial proximity in cichlid fish to examine its effects on aggression and the relationship between social dominance and oxidative stress.

This study challenges the coevolutionary arms race model of cuckoo egg mimicry, showing that mimicry is rare and instead supports coevolutionary alternation through host-switching.

This study examines sexual size and shape dimorphism in stick and leaf insects, finding that mating system and flight dimorphism, not fecundity, best predict variation in dimorphism.

This study shows transgenerational plasticity (TGP) can reflect local adaptation but does not consistently enhance fitness, and its effect can surpass allelic and plasticity effects.

The paper investigates same-sex sexual behavior in male wasps, finding that it occurs despite clear sex recognition cues and does not enhance reproductive success, supporting a broad mating filter hypothesis.

The paper identifies four stable behavioral identities in Drosophila and shows how social experience, mating, and microbiome manipulation alter their expression, revealing social memory.

The study assesses reproductive phenological plasticity in golden-mantled ground squirrels over 30 years, finding advancing weaning dates and potential mismatch with vegetative phenology.