1. Department of Ecosystem Science and Management Pennsylvania State University University Park Pennsylvania USA
2. Department of Zoology Universidade Federal do Pará/Emílio Goeldi Museum Belém Brazil
3. Laboratory of Avian Ecology and Evolution, Department of Zoology Universidade Federal do Pernambuco Recife Brazil
4. Museum of Natural Science Louisiana State University Baton Rouge Louisiana USA
5. Department of Ecology and Evolutionary Biology University of Michigan Ann Arbor Michigan USA
6. Instituto de Geociências Universidade de São Paulo São Paulo Brazil
7. Instituto Tecnológico Vale Belém Brazil
8. Finnish Museum of Natural History University of Helsinki Helsinki Finland
9. Instituto Nacional de Pesquisas da Amazônia Manaus Brazil