: The Amphibian Resources Survey of NTNU further reveals that there are more than 10 types of frogs within a four-kilometer diameter circle with its center at Kung-Kuan.
師大生物系的「兩棲類資源調查紀錄」也顯示，以羅斯福路公館為中心，方圓四公里間竟然還有十幾種青蛙。