Home Departments and Research Groups Henrik Brumm Projects Projects of the research group "Animal Communication and Urban Ecology" Acoustic Communication Plasticity of Vocal Signals and Interactions Functions of Bird Song Mechanisms of Vocal Production and Modulation Collective Signals Urban Ecology Effects of Noise and Light Pollution on Bird Communication Impact of Anthropogenic Noise on Physiology, Behaviour, and Fitness In addition to our biological research we also investigate in a multidisciplinary project the relationship between bird song and music.