Born United Kingdom, 8 December 1946. Educated Universities of Edinburgh (BSc Hons 1968) and Stirling (PhD 1973). Demonstrator, Department of Biology, Keele University 1972-73; Post Doctoral Research Fellow, Department of Zoology, University of Adelaide 1973-76, lecturer, then associate professor, Department of Zoology, University of New England 1977 to date. Wrote Ecology of Birds: an Australian Perspective (1989), the first bird ecology text that uses Australian birds extensively to illustrate current ecological theory, and co-edited two books on the ecology of Australian birds, The Dynamic Partnership; Birds and Plants in Southern Australia (1986) and Birds of Eucalypt Forests and Woodlands; Ecology, Conservation, Management. Editor, The Emu 1981-85; first editor of the Royal Australasian Ornithologists Union's 'Recent Ornithological Literature Supplement' 1987-91; D.L. Serventy Medal, Royal Australasian Ornithologists Union 1993. Sometime member, scientific advisory committee, World Wide Fund for Nature; editorial boards, The Emu and Wildlife Research.