Probability of occupancy summarized by route for Ferruginous Pygmy-Owls, Mottled Owls, and Spectacled Owls detected during surveys conducted from 2003–2013 in El Salvador in El Imposible National Park (survey routes EI-1 and EI-2), Montecristo National Park (M-1 and M-2), and Nancuchiname Forest (N-1 and N-2). Posterior probabilities are represented as medians ± 90% credible intervals.