Fishermen have reported catching piranhas in local streams recently, and nature photographer Ch'en Yung-fu has sighted mynah birds, Brazilian cockatoos and other exotic nonnative species on outings around the island.
近來釣魚客在溪裡發現食人魚和銀帶魚的事情就屢有所聞。專門拍攝台灣野生鳥類的生態攝影者陳永福，在野外拍照，鏡頭中曾出現巴西雀、八哥、南美洲產的鸚鵡、大陸畫眉等外來鳥種的倩影。