1. Inst. for Biodiversity and Ecosystem Dynamics Univ. of Amsterdam Amsterdam the Netherlands
2. Cornell Lab of Ornithology Cornell Univ. Ithaca USA
3. Dept of Bird Migration Swiss Ornithological Inst. Sempach Switzerland
4. Centre for Ecology and Conservation, and Environment and Sustainability Inst. Univ. of Exeter Penryn, Cornwall UK
5. Dept of Entomology Nanjing Agricultural Univ. Nanjing China