Animal Behavior and Reproduction

Animals differ not only in how they look but in how they behave, reproduce, and adjust those behaviors across environments — and understanding why requires tracing the interplay between genetics, ecology, and natural selection. Researchers in this area study how traits like mate choice, aggression, or parental investment evolve, why individuals within a species vary so dramatically, and how flexible versus fixed those traits tend to be across lifetimes and generations. A central puzzle is distinguishing adaptation — change driven by selection — from plasticity, where a single organism shifts its behavior in response to local conditions without any change in its genes. Active work is pushing into how behavioral syndromes constrain evolution, how reproductive strategies shift under ecological pressure, and what the long-term consequences of rapid evolutionary change are for populations navigating altered environments.

Works

83,492

Total citations

2,223,250

Keywords

Phenotypic PlasticityNatural SelectionEvolutionary DynamicsBehavioral SyndromesMate ChoiceReproductive Strategies