1. Department of Biology University of Turku Turku Finland
2. RSPB Centre for Conservation Science Sandy UK
3. Centre for Research in Animal Behaviour University of Exeter Exeter UK
4. Department of Evolutionary Ecology Museo Nacional de Ciencias Naturales (CSIC) Madrid Spain
5. Department of Biological Conservation and Ecosystem Restoration Pyrenean Institute of Ecology (CSIC) Jaca Spain
6. Department of Evolutionary Ecology Estación Biológica de Doñana (CSIC) Seville Spain
7. Department of Biological Sciences University of Cape Town Rondebosch South Africa
8. FitzPatrick Institute of African Ornithology DST‐NRF Centre of Excellence University of Cape Town Rondebosch South Africa
9. Department of Zoology Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia
10. Univ LyonUniversité Claude Bernard Lyon 1CNRSENTPEUMR 5023 LEHNA Villeurbanne France