Excellent book on the sociobiology of sexual orientation: "Conundrum: The Evolution of Homosexuality", by N.J. Peters

University of Chicago:

Department of Comparative Human Development

Institute for Mind and Biology

Committee on Evolutionary Biology
      CEB Behavior faculty





Other links of interest:

The Field Museum

Brookfield Zoo

Lincoln Park Zoo

Animal Behavior Society

National Science Foundation Animal Behavior Program

National Institutes of Mental Health's Division of Neuroscience and Basic Behavioral Science