Phylogenetic comparative methods are widely used to study trait coevolution across biological and cultural domains. The most common methods are phylogenetic generalized linear (mixed) models, phyl...

Abstract. Lack’s seminal work on bird clutch sizes has spurred expansive research on reproductive trade-offs, especially focusing on offspring quantity–qua

Abstract. Lack’s seminal work on bird clutch sizes has spurred expansive research on reproductive trade-offs, especially focusing on offspring quantity–qua

Abstract. Many economists contend that humans have strong, universal, other-regarding equality preferences with deep evolutionary roots. Indeed, many hunte

Abstract. Physical contests are critical in most animals in determining access to limited resources such as territories, food and sexual partners. Individu

It remains difficult to empirically estimate nonlinear selection on individual reaction norms, inhibiting robust tests of adaptive theory and accurate predictions of phenotypic evolution for labile t...

Phenotypes evolve under natural selection if, and only if, they are genetically variable. While evolutionary ecologists have long studied natural sele…

We applied a novel multivariate analysis to measure linear and nonlinear selection on components of a complex reaction norm that was expected to be shaped

In accepting a courting male, Drosophila subobscura females require nuptial gift giving in which a male gives regurgitated crop contents to her mouth to mouth. No similar behavior is found in D. melan...

This proof-of-concept paper highlights that the context dependence of trade-offs can be successfully detected, hence potentially improving our understanding of life-history theory. Photo credit: Arpa...

Estimating quantitative genetic and phenotypic (co)variances is crucial for investigating evolutionary ecological phenomena such as developmental integration, life history trade-offs and niche spe...

Read the free Plain Language Summary for this article on the Journal blog.

Read the free Plain Language Summary for this article on the Journal blog.

Social effects on fertility promote population growth and the evolution of flexible cooperation in a small-scale human society.

Social effects on fertility promote population growth and the evolution of flexible cooperation in a small-scale human society.

Abstract. Social partners frequently resemble each other. These correlations between the phenotypes of interacting individuals (e.g., social partners, grou

Infanticide and adoption have been attributed to sexual selection, where an individual later reproduces with the parent whose offspring it killed o...

The struggle is “balancing their careers not just with motherhood, but with what comes before: relationships and planning for a family,” these postdocs write

Richard Lynn's work has been repeatedly condemned for using flawed methodology and deceptively collated data to support racism. It's past time to retract the studies.