He has come a long way indeed: from "not recognizing a single bird when I first went to Kuantu" to talking with assurance about their characteristic markings, habitats and patterns of behavior.
從「剛進關渡時，一隻鳥都不認得」到現在談起各種鳥頭頭是道：「紅山椒鳥只有冬天才成群聚集；關山的雀榕結果了，會有許多烏頭翁來覓食… …。」