Relevant categories of use for nest boxes installed in the (A) Abadía Retuerta vineyard, (B) Concejiles fruit orchard and (C) Chaparrito fruit orchard, across the four years of study.

<p>Bird breeding refers to verified hatched eggs or recruited fledglings (categories 4–5 of nest box use, see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0180702#sec002" target="_blank">Methods</a>). Bars for insectivorous birds (<i>Paridae</i>) and sparrows refer to categories 2 (finished nest) to 5 (recruited fledglings). Nearly all observations contributing to the “Rodents” bar refer to Garden dormouse (category 6).