@article{articlee26567e5,
title   = {Annotated checklist of birds recorded between 1998 and 2009 at nine areas in the Belém area of endemism, with notes on some range extensions and the conservation status of endangered species},
author = {Portes and Aleixo, A and Carneiro, L.S and Schunck, F and Silva, M.S and Zimmer, K and Whittaker, A and Poletto, F and Silveira, Luis Fabio},
year = {2011},
journal   = {Revista Brasileira de Ornitologia}
}