It has become increasingly clear that a larger brain can confer cognitive benefits. Yet not all
of the numerous aspects of cognition seem to be affected by brain size. Recent evidence …

Confirmatory path analysis allows researchers to evaluate and compare causal models
using observational data. This tool has great value for comparative biologists since they are …

The allometric relationship between brain and body size among vertebrates is often
considered a manifestation of evolutionary constraints. However, birds and mammals have …

Large brains are thought to result from selection for cognitive benefits, but how enhanced
cognition leads to increased fitness remains poorly understood. One explanation is that …

Mate choice decisions are central in sexual selection theory aimed to understand how sexual
traits evolve and their role in evolutionary diversification. We test the hypothesis that brain …

The organization and coordination of fish schools provide a valuable model to investigate the
genetic architecture of affiliative behaviours and dissect the mechanisms underlying social …

In temperate insects, winters are typically endured by entering diapause, which comprises a
deep resting stage. Correct timing of diapause termination is vital for synchronization of …

Loss of recombination between sex chromosomes often depletes Y chromosomes of
functional content and genetic variation, which might limit their potential to generate adaptive …

The mosaic brain evolution hypothesis, stating that brain regions can evolve relatively
independently during cognitive evolution, is an important idea to understand how brains evolve …

The rate of germline mutation is fundamental to evolutionary processes, as it generates the
variation upon which selection acts. The guppy, Poecilia reticulata, is a model of rapid …