First warbler Yellow-browed, the dark bases to the secondaries and black-centred greater coverts leave few other options.
第一只是黄眉柳莺，次级飞羽暗色的基部及以黑色为中心的大覆羽留下的选择很少。
First warbler Yellow-browed, the dark bases to the secondaries and black-centred greater coverts leave few other options.
第一只是黄眉柳莺，次级飞羽暗色的基部及以黑色为中心的大覆羽留下的选择很少。
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