Species are Bar-backed laughing thrush and Three-toed Crowtit in China, their duetting are overlapping type.

其中，斑背噪鹛和三趾鸦雀是中国的特产种。

youdao

Species are Bar-backed laughing thrush and Three-toed Crowtit in China, their duetting are overlapping type.

其中，斑背噪鹛和三趾鸦雀是中国的特产种。

youdao