Seasonal and diel variation in group size among Japanese sika deer in different habitats

摘要: Influence of habitat type on the group size sika deer was analysed basis 2718 individuals observed in 708 groups, area where are under pressure neither from predators nor hunters. From spring to autumn, percentage largest groups open woodland higher than both clearings and closed woodland. In early winter, aggregated highest clearings, while late Besides, large morning evening (when most active) much during daytime level activity is lower). Changes food availability suggested be a factor responsible for variation different habitats.