1. Barker, R. D. & W. J. M. Vestjens, 1989. The Food of Australian Birds. II Passerines. CSIRO Division of Wildlife and Ecology, Lyneham Australian Capital Territory, Canberra.
2. Bell, G. P., 1990. Birds and mammals on an insect diet: A primer on diet composition analysis in relation to ecological energetics. Studies in Avian Biology, 13: 416–422.
3. Brooks, S. J., 1993. The nutrient composition of the instars and colour morphs of male and female grasshoppers (Acrida conica) and its applicability to the optimal foraging theorem. Honours thesis, School of Biological and Environmental Sciences, Murdoch University, Murdoch, Western Australia.
4. Bryant, D. M., 1973. The factors influencing the selection of food by the House Martin (Delichon urbicaL.). Journal of Animal Ecology, 42: 539–564.
5. Calver, M. C., 1985. Some aspects of the population biology of the grasshopperAcrida conicaFabricius. Ph.D. thesis, School of Biological and Environmental Sciences, Murdoch University, Murdoch, Western Australia.