Original: There are two subspecies of the Western Grey: Macropus fuliginosus fuliginosus of Kangaroo Island, and Macropus fuliginosus melanops, which has a range of different forms that intergrade clinally from west to east.
Simplified: There are two subspecies of the Western Grey: Macropus fuliginosus fuliginosus which is found on Kangaroo Island, and Macropus fuliginosus melanops, which has a range of different types that change gradually from west to east.