The South Island saddleback or tīeke is a forest bird in the New Zealand wattlebird family which is endemic to the South Island of New Zealand. Both the North Island saddleback and this species were formerly considered conspecific. The Department of Conservation currently has the South Island saddleback listed as At Risk--Declining.

The North Island saddleback is a forest-dwelling passerine bird species endemic to the North Island of New Zealand. It was once considered conspecific with the South Island saddleback. The IUCN lists the species as Near Threatened, while it is listed as a "recovering" species in the New Zealand Threat Classification System. Saddlebacks are known in Māori as tīeke.