Data from: Smaller distance between nest contents and cavity entrance increases risk of ectoparasitism in cavity-nesting birds

Dataset used in Tomás et al. (2020): (DOI: 10.1111/jav.02427). It contains data collected in Guadix in 2012 in the framework of an experiment to evaluate whether distance to the cavity entrance and nest size influence the risk of ectoparasitism in avian nests.