This issue is the proceeding of a symposium held at the 1998 Annual Meeting of the Ornithological Society of Japan, Kitakyushu City. Biochemical techniques have made remarkable progress and become a powerful tool in ornithology as well as in other fields of life science.An aim of the symposium is to review current situation of biochemical analysis in the fields of ornithology, such as systematics, population genetics, behavioral ecology, population ecology and conservation ecology.
