n. remex
misc. flight feather
小型鸟类一年进行一到两次换羽，在换羽期间，它们一次会替换掉9到10根左右的飞羽，而这个过程将持续几周时间。
Small birds molt once or twice a year, and they replace their 9 or 10 primary flight feathers a few at a time over the course of a few weeks.
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.
嘴短而强健，呈圆锥形，稍向下弯；初级飞羽9 枚，外缘具两道淡色横斑。
Short and strong mouth, slightly bent downward, cone, Primary and outer ring, with two pale horizontal spot.
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