“…Millions of game birds are reared and released for shooting across Europe (Caro, Delibes-Mateos, Vicente, & Arroyo, 2014;PACEC, 2014). Concerns have been expressed that this activity may affect non-target species through herbivory by high densities of birds, the spread of diseases and parasites, increased competition for resources, indirect effects via generalist predators, and through potentially lowering investment in habitat management or protection (Draycott, Parish, Woodburn, & Carroll, 2000;Diaz-Fernandez, Vinuela, & Arroyo, 2012;Diaz-Sanchez et al, 2012;Lees et al, 2013;Villanua, Casas, Vinuela, Gortazar, & Morales, 2007).…”