A harrier, a hen harrier, I declare!
"The Pilots of Pomona" by Robert Leighton
These are the only two Channel Island specimens of the Hen Harrier which I have been able to find.
"Birds of Guernsey (1879)" by Cecil Smith
Hen-harriers breed on the ground, and seem never to settle on trees.
"The Natural History of Selborne, Vol. 1" by Gilbert White
The one in question, Lucien said, was the "marsh-hawk," sometimes also called the "hen-harrier.
"Popular Adventure Tales" by Mayne Reid
Hen harriers fly low over the meadows or fields of corn, and beat the ground regularly like a pointer or setting dog.
"School Reading by Grades" by James Baldwin