Japanese Bush Warbler at Chi Gu I found (in song) many years ago was greyish and greenish, those at Yeh Liu seem browner and darker grey (there are several races involved).

• 我好几年前在七股找到的一只日本树莺(鸣唱中)是带灰和绿的；而那些在野柳的似乎较为棕色和深灰(其中包含了几个亚种).