Distribution in HK: Abundant

Total count in the surveys: 29

Nape white. Back and wings yellow green.

後枕白色，背和翼黃綠色。

Sometimes hawks flying insects. Big flocks occurs in winter and roosts communally, usually in marshy areas.

有時飛撲空中昆蟲。冬季大群出現，棲息時大量聚集，很多時候在沼澤區。