Pied Harrier Circus melanoleucos, Hengsha Island, Shanghai, October. Pied Harrier is an uncommon passage migrant and winter visitor in Shanghai. Breeds in Mongolia, the Russian Far East, and Northeast China. (Craig Brelsford)Hen HarrierCircus cyaneus (L) and Pied Harrier, Cape Nanhui, Shanghai, February. Both are adult females. A conspicuous white rump is a feature of both Hen Harrier and Pied Harrier. Note however the more evenly banded tail of the former and the more contrasting upperparts of the latter. (Kai Pflug)
