Research focusing on among‐individual differences in behaviour ('animal personality') has
been blooming for over a decade. Central theories explaining the maintenance of such …

An exciting area in behavioural ecology focuses on understanding why animals exhibit
consistent among-individual differences in behaviour (animal personalities). Animal …

Research on growing American political polarization and antipathy primarily studies public
institutions and political processes, ignoring private effects, including strained family ties …

Ecology Letters (2012) Abstract Interspecific trait variation has long served as a conceptual
foundation for our understanding of ecological patterns and dynamics. In particular …

Behavioral traits and diet were traditionally thought to be highly plastic within individuals.
This view was espoused in the widespread use of optimality models, which broadly predict …

Biologists have long debated the role of behavior in evolution, yet understanding of its role
as a driver of adaptation is hampered by the scarcity of experimental studies of natural …

Highlights•We outline the concept of keystone individuals.•Keystones are defined as having
a disproportionally large effect on groups.•Keystones can occupy a diverse array of …

Predator–prey relationships are a central component of community dynamics. Classic
approaches have tried to understand and predict these relationships in terms of …

Predator–prey interactions are important drivers in structuring ecological communities.
However, despite widespread acknowledgement that individual behaviours and predator …

Within populations, individuals often show repeatable variation in behaviour, called 'animal
personality'. In the last few decades, numerous empirical studies have attempted to …