The United States and Australia, occupying land areas in excess of 200 times the size of Taiwan have species totals ranging from 800 to 1000 types. Therefore, Taiwan, for an island is quite exceptional for its profusion of bird species.
比方澳洲和美國，面積都是本島的二百數十倍，鳥的種類卻在八百到一千種之間，不超過本地的二．五倍。