Offspring plumage colouration as a condition-dependent signal in the blue tit
Jorge García-Campaa*, Wendt Müllerb& Judith Moralesa
a Department of Evolutionary Ecology, National Museum of Natural Sciences – Spanish National Research Council (CSIC). c/ José Gutiérrez Abascal 2, 28006 Madrid, Spain.
b Department of Biology, Behavioural Ecology and Ecophysiology Research Group, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
*Correspondence:jgarciacampa@gmail.com
Running head: Offspring colour and condition-dependence