Avonet : morphological, ecological and geographical data for all birds

We thank the Natural History Museum, Tring, UK, the American Museum of Natural History, USA, and 76 other research collections for providing access to specimens. Illustrations are reproduced with permission of Lynx Edicions/Cornell Lab of Ornithology. Financial support was received from numerous sources, with extensive support from Natural Environment Research Council grants NE/I028068/1, NE/P004512/1 and UKRI Global Challenges Research Fund grant ES/P011306/1 (JAT). All major sources of funding are listed in Supplementary Material, along with a complete list of institutions and individuals that contributed to data collection, logistics and specimen access.