1. Centre for Ecology and Conservation University of Exeter Penryn Cornwall UK
2. Department of Bird Migration Swiss Ornithological Institute Sempach Switzerland
3. Laboratory of Ornithology Institute of Biology University of Latvia Rīga Latvia
4. PiedFly.Net Yarner Wood, Bovey Tracey Devon UK
5. RSPB Centre for Conservation Science The Lodge Sandy Bedfordshire UK
6. Centre for Research in Animal Behaviour University of Exeter Exeter Devon UK