The complex physical topography of the island also proved beneficial--as the climate warmed in the post-glacial period the high mountain slopes provided an ideal environment for the more temperate climate species. Therefore, there are still many species of birds found only in more northern regions existing in the high elevation areas of Taiwan. Bird watching has always been a unique part of man's existence.
另一方面台灣島上地形複雜，有平原也有高聳的山脈，當地球氣候變暖，冰河融化，海水重新淹沒大陸與島之間的陸地，再度形成海峽時，華南地區許多溫帶、寒帶動植物，在日漸升高的氣溫下無法生存，不少因而絕種。