1. Ambagis J (2004) A comparison of census and monitoring techniques for Leach’s storm petrel. Waterbirds 27:211–215
2. Ayres MJ (1986) White uakaris and the Amazon flooded forests. Ph.D. Thesis, University of Cambridge, UK
3. Barnett AA, Brandon-Jones D (1997) The ecology, biogeography and conservation of uakaris, Cacajao (Pitheciinae). Folia Primatol 68:223–235
4. Barnett AA, de Castilho CV, Shapley RL, Anicácio A (2005) Diet, habitat selection, and natural history of Cacajao melanocephalus ouakary in Jaú National Park, Brazil. Int J Primatol 264:961–981
5. Barnett AA, Defler TR, Oliveira M, Queiroz H, Bezerra BM (2010) Cacajao ouakary in Brazil and Colombia: patterns, puzzles and predictions. In: Barnett A, Veiga L, Ferrari SF, Norconk MA (eds) Evolutionary biology and conservation of titis, sakis and uacaris. Cambridge University Press, Cambridge (in press)