Female variation in allocation of steroid hormones, antioxidants and fatty acids: a multilevel analysis in a wild passerine bird.

Abstract

Concentrations of steroid hormones and antioxidants, and proportions of fatty acids measured in the egg yolk of a wild passerine bird (great tit; Parus major). Data on female condition as well as environmental variables are also provided. All these data was used in the manuscript "Female variation in allocation of steroid hormones, antioxidants and fatty acids: a multilevel analysis in a wild passerine bird