Montagu's harrier

/ (ˈmɒntəˌɡjuːz) /

noun

a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)

Word Origin for Montagu's harrier

C19: named after Col. George Montagu (1751–1815), British naturalist