Autor: Mercedes Foster

W. Ronald Heyer is a research zoologist for the National Museum of Natural History at the Smithsonian Institution. Maureen A. Donnelly is a research associate at the American Museum of Natural History. Roy W. McDiarmid is a research zoologist and curator of amphibians and reptiles for the US Fish and Wildlife Service at the National Museum of Natural History. Lee-Ann C. Hayek is the chief mathematical statistician at the National Museum of Natural History. Mercedes S. Foster is a research zoologist and curator of birds for the US Fish and Wildlife Service at the National Museum of Natural History.