Taitung's Zhiben Wetlands caught fire late Sunday afternoon, burning into the night, fueled by strong winds, ＿＿（52）＿＿ over an area of five hectares. The fire drew the suspicion of environmentalists who completed a survey of endangered bird species in the wetland earlier in the day. They called ＿＿（53）＿＿ the Taitung Fire Department to thoroughly investigate whether the fire was an act of ＿＿（54）＿＿ . The Society of Wilderness (SOW) and the Wild Bird Society of Taitung County conducted a wild bird field study on Sunday morning, counting the number of endangered bird ＿＿（55）＿＿ such as ring-necked pheasants, orioles, and Taiwan thrush. Many of these birds ＿＿（56）＿＿ in the shrubs on the north bank of the Zhiben River mouth.