Highlights•We tested Gouldian finch personality in an asocial and social setting.•Our
experiments show birds' behaviour changes according to their partners' identity.•Shy birds …

Remarkable diversity in behaviour and morphology (phenotypes) are often observed within
a species; this diversity can be understood in terms of individuals maximizing their fitness …

Colour polymorphism is a widespread phenomenon in vertebrates and has often been
linked with differences in behaviour such as aggression or boldness, behaviours that are …

Individuals in social species commonly form dominance relationships, where dominant
individuals enjoy greater access to resources compared to subordinates. A range of factors …

Adopting different behavioural strategies may reduce within-group conflict, selecting for
behavioural consistency ('personality'). Personality may also affect grouping tendencies. The …

Despite burgeoning interest in consistent individual differences in behaviour (animal
'personality'), the influence of social interactions on the performance of different behavioural …

Despite an expanding interest in animal personalities, the influence of social interactions
and sex differences on individual differences in behaviour remains poorly understood. Using …

Animals regularly scan their environment for predators and to monitor conspecifics.
However, individuals in a group seem to differ in their vigilance linked to age, sex or state …

Recent research in behavioural ecology has revealed the structure of animal personality
and connections to ecologically and evolutionarily important traits. Personality is …

The recent growth of research on animal personality could provide new insights into our
understanding of sociality and the structure of animal groups. Although simple assays of the …