 Abstract, this research evaluated the accuracy of species distribution models, SDMs, by determining the minimum number of presence records needed to generate accurate predictions in the Catinga biome in northeastern Brazil. The study found that for species with narrow or widespread distributions, at least 17 and 30 presence records, respectively, are needed to produce reliable SDMs. This article was authored by Augusto Cesar P. Sampaio and Arnbio D.E.M.B. Cavalcante.