harrier hawk

Webster's Dictionary (GCIDE)

1.One who harries. [1913 Webster]

2.(Zool.) One of several species of hawks or buzzards of the genus Circus which fly low and harry small animals or birds, -- as the European marsh harrier (Circus [ae]ruginosus), and the hen harrier (Circus cyaneus). [1913 Webster]

Harrier hawk (Zool.), one of several species of American hawks of the genus Micrastur. [1913 Webster]