This is the full data set of all life history measurements (size, phenology, fecundity, survival) for individual pupae used in the experiments. Pupae that survived the winter and those that did not ar
During the breeding season of 2021, we sampled pupae from great tit nests at Mata Nacional do Choupal (40º13’N, 8º27’W), a mixed woodland on the periphery of the city of Coimbra, Portugal (more detail
Body colouration is of high evolutionary relevance for most animals. Several competing hypotheses exist regarding the evolutionary reasons for animal colouration ranging from predator avoidance and se