The diurnal (a) and seasonal (b) patterns of the vocal activities of White-eared Sibia (WS), Taiwan Barbet (TB), Steere's Liocichla (SL), Taiwan Yuhina (TY), Gray-chinned Minivet (GM), White-tailed Robin (WR) and Large-billed Crow (LC) provide important biological information for biodiversity studies and management. The Y-axis is the mean number of vocalisations per hour and the X-axis is hour for diurnal pattern and month for seasonal one.