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red junglefowl chick looking at mealworm through transparent plastic tube.

Impulsivity is influenced by early experiences and gene expression

Differences in impulsivity between individuals are linked to both experience and gene expression, according to a study on the ancestor of domestic chickens, the red junglefowl.
fighting roosters

Personality and cognition help red junglefowl climb the pecking order

Individual variation in personality or cognition can have important consequences. LiU researchers show that differences in behavioural and cognitive traits can affect whether adult junglefowl win contests and become the highest-ranking bird.

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