Castro MS, Recco-Pimentel SM, Rocha GT. Sexual dimorphism in <i>Ramphastos toco</i> and <i>Ramphastos dicolorus</i> (Piciformes, Aves). Rev. Biol. Trop. [Internet]. 2003Mar.1 [cited 2024Nov.26];51(1):241–246. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/15663