Subspecies
Genus considered most closely related to, and putatively derived from, mainland Long-tailed Mockingbird (Mimus longicaudatus). Forms a superspecies with Floreana Mockingbird (Mimus trifasciatus), Espanola Mockingbird (Mimus macdonaldi) and San Cristobal Mockingbird (Mimus melanotis) and all previously considered conspecific. Subspecies personatus has sometimes been treated as a separate species. Described subspecies bindloei (from Marchena I) considered indistinguishable from personatus.
The following 6 subspecies are recognised:
hulli (Rothschild, 1898) - Darwin (Culpepper) I.
wenmani (Swarth, 1931) - Wolf (Wenman) I.
personatus (Ridgway, 1890) - Islands of Pinta (Abingdon), Marchena (Bindloe), Santiago (James) and Rabida (Jervis).
bauri (Ridgway, 1894) - Genovesa (Tower) I.
parvulus (Gould, 1837) - Islands of Isabela (Albemarle), Fernandina (Narborough), Daphne, Santa Cruz (Indefatigable) and nearby islets.
barringtoni (Rothschild, 1898) - Santa Fe (Barrington) I.