1. Ecology and Evolutionary Biology, School of Biosciences University of Sheffield Sheffield UK
2. Faculty of Environmental Sciences and Natural Resource Management Norwegian University of Life Sciences Ås Norway
3. Cornell Lab of Ornithology Cornell University Ithaca New York USA
4. RSPB Centre for Conservation Science, RSPB Cambridge UK
5. Asociación GAICA Pasto Colombia
6. Instituto de Investigación de Recursos Biológicos Alexander von Humboldt Bogotá Colombia
7. Lancaster Environment Centre Lancaster University Lancaster UK