Figure 1. 

Map of the study area, showing the area covered by the Iha Grande State Park, in Ilha Grande, located in the southwest part of the Rio de Janeiro, Brazil. The black lines indicate the transects.

  
  Part of: Ferreguetti AC, de Oliveira ABM, Pereira BC, Santori RT, Geise L, Bergallo HG (2020) Encounter rate and behavior of Alouatta guariba clamitans in the Ilha Grande State Park, Rio de Janeiro state, Brazil. Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e36846