 The main causes for the decline are habitat loss, trapping, hunting, and human disturbances.The causes of habitat disruption, which encompasses deforestation in the bird's breeding range, are essentially the results of human activity, but the characteristics of threats vary from one region to another.In Japan, where the fairy pitta was originally more common, significant areas of forest have been cleared since the 19th century for fuel and throughout the 20th century for the building of plantations.