The giant eland (Taurotragus derbianus), also known as the Lord Derby eland, is an open-forest and savanna antelope. A species of the family Bovidae and genus Taurotragus, it was described in 1847 by John Edward Gray. The giant eland is the largest species of antelope, with a body length ranging from 220–290cm (87–114in). There are two subspecies: T.d.derbianus and T.d.gigas.