Poster Presentation: Vieira, W. F., Hockings K. J. Home range and distribution of an unhabituated free-ranging Western chimpanzee (Pan troglodytes verus) community in a forest-agricultural mosaic at Madina in Cantanhez National Park, Guinea-Bissau. Poster presented in XXVII Congress of the International Primatological Society, Kenya, August 2018.
Poster Presentation: Brandão A, Rodrigues D, Costa R, Peixoto L, Vieira W, Vicente L. Primate Personality: Preliminary results of a comparative study. Podium presentation in V Iberian Primatological Congress, Portugal, November 2015.
Poster Presentation: Pacheco I, Castelo Branco J, Ramos R, Vieira W. Vigilance behaviour of Oryz gazella and Aepycerus melampus petersi on the presence of visitors in the Lisbon zoo. Poster presented in XI Portuguese Etology Society Congress, Portugal, October 2014.