n. remex
misc. flight feather
至于相交叉的初级飞羽，我不知道。
初春进行“部分换羽”，体羽及尾羽进行更换，但飞羽未替换。
In spring, they proceed "part - molting", body -feathers and tail proceed molting, but not the primaries.
注：蛇雕的眼先及虹膜为黄色，飞羽及尾羽近末端各有一条白色宽横带。
Note: A Crested Serpent Eagle has a yellow lore, yellow iris and a white bar on primaries and tail.
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