Our research is aimed at understanding how diet and nutrition influence wildlife physiology, behaviour, and habitat quality. Within this theme, we have a wide range of interests, including the mechanisms that drive individual animals to choose one food over another, how spatial variation in food quality influences habitat use and animal abundance, how diets and food quality are affected by environmental change (e.g. fire, logging, climate change), and how an understanding of food quality can improve conservation outcomes for threatened species. Most of our work focuses on eucalypt folivores, particularly koalas, greater gliders, brushtail and ringtail possums, and sometimes insects. We work at a variety of scales, from individual animals and plants to populations and landscapes, using a combination of field work, laboratory analyses and feeding studies.