DescriptionCallicebuspersonatus 45230229.jpg English: Northern Masked Titi (Callicebuspersonatus) Date 13 July 2019 Source https://www.inaturalist.org/photos/45230229
DescriptionCallicebuspersonatus Espírito Santo.jpg English: Atlantic titi (Callciebus personatus). Português: Guigó (Callicebuspersonatus). Date 21 May
DescriptionCallicebus nigrifrons near Campinas.jpg English: Black-fronted titi (Callicebus nigrifrons) near Campinas, São Paulo State, Brazil. Português: