Dr. Peter Slater is a Kennedy Professor of Natural History at the University of St Andrews, in Scotland. He is a former Editor of the journal Animal Behaviour and past President of the Association for the Study of Animal Behaviour. He received the Association's medal in 1999. His research interests are in vocal communication, with emphasis on the development and organization of song in birds.

Dr. Jay S. Rosenblatt is the Daniel S. Lehrman Professor of Psychobiology in the Psychology Department of Rutgers University-Newark Campus, Newark, NJ. He is an Associate of the Animal Behavior Society and the American Psychological Association and has received honorary doctoral degrees from Göteborg University in Sweden and National University of Education at a Distance, Madrid. His interests include the study of parental behavior and behavioral development among animals.

Charles T. Snowdon is a Hilldale Professor of Psychology and Zoology at the University of Wisconsin, Madison. Currently editor of the Journal of Comparative Psychology, he was previously North American Editor of Animal Behaviour and has served as President of the Animal Behavior Society. He has held a Research Scientist Award from the National Institute of Mental Health since 1977. His research interests are in vocal and chemical communication, reproductive behavioral biology, parental care and infant development in cooperatively breeding primates. His students and collaborators work in both captive and field settings.