Repeatability, heritability, and age-dependence of seasonal plasticity in aggressiveness in a wild passerine bird.

Abstract excerpt

Labile characters allow individuals to flexibly adjust their phenotype to changes in environmental conditions. There is growing evidence that individuals can differ both in average expression and level of plasticity in this type of character. Both of these aspects are studied in conjunction within a reaction norm framework. Theoreticians have investigated the factors promoting variation in reaction norm...

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