The study of individual behavioral variation, sometimes called animal personalities or
behavioral types, is now a well-established area of research in behavioral ecology and …

Individually distinctive behavioral traits, or personalities, contribute to population-level
processes and ecological interactions important in applied wildlife conservation research …

Several recent studies show that animal friendships, like human friendships, are durable
and have fitness benefits by increasing survival, infant survival, or reproductive success …

Research on mate choice has primarily focused on preferences for quality indicators,
assuming that all individuals show consensus about who is the most attractive. However, in …

Socially monogamous birds have provided a major focus of research in the field of sexual
selection, providing insight into the evolution of ornaments, sexual dimorphism and sex …

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

Repeatable behavioural traits ('personality') have been shown to covary with fitness, but it
remains poorly understood how such behaviour–fitness relationships come about. We …

Highlights•We experimentally assess prosocial motivation and mutually beneficial
cooperation.•Prosocial monkeys were better at cooperating in a coordinated string-pulling …

Behavioral similarity between partners is likely to promote within-pair compatibility and to
result in better reproductive success. Therefore, individuals are expected to choose a …

Successful and cost-effective conservation breeding programs rely largely on animals doing
what should come naturally: mate & reproduce. Behavioral management, especially that …