1. Evolution of Sensory Systems Research Group, Max Planck Institute for Ornithology, Seewiesen, Germany
2. Macaulay Library, Cornell Lab of Ornithology, Ithaca, NY, USA
3. Department of Agricultural Chemistry, School of Agriculture, Meiji University, Kawasaki, Kanagawa, Japan
4. Proteo-Science Center, Ehime University, Matsuyama, Ehime, Japan
5. Department of Behavioral Neurobiology, Max Planck Institute for Ornithology, Seewiesen, Germany
6. Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia, Australia