最近几天南迁的鸟儿开始路过北京啦，有一只这样的鸟全身长的和树皮一个颜色，常常在树干上面找蚂蚁吃眼神不好的还真看不到它，呵呵，这只也不怎么怕人，赶个休息的时间也去天坛记录到了这只鸟，也是我的新鸟种进账啦......

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