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Table 1 Expected effect (positive "+" or negative "−") of the analysed traits on the probability of becoming polygynous and on the probability of becoming secondary female (and thus mating with an already mated male). See main text for further details

From: Phenology-mediated effects of phenotype on the probability of social polygyny and its fitness consequences in a migratory passerine

Trait Male Female
Tarsus length +
Wing length +
Age +At middle age classes
−At yearling and old ages
−At middle age classes
+At yearling and old ages
Male’s black plumage (dorsal) + NA
Male’s forehead patch size + NA
Number of neighbours +
Local breeding date +