Complex sentence: Described as a separate species by Alfred John North in 1911 on account of its distinctive plumage, the Western Ground Parrot was subsequently considered a subspecies of the Eastern Ground Parrot by Gregory Mathews in 1912.
Split into simpler sentences: Described as a separate species by Alfred John North in 1911 on account of its distinctive plumage. The Western Ground Parrot was subsequently considered a subspecies of the Eastern Ground Parrot by Gregory Mathews in 1912.