Drawing of the North Island Piopio, Turnagra tanagra and the South Island Piopio, Turnagra capensis. In 1888, Buller described the North Island piopio as New Zealand's rarest endemic bird species. The last confirmed sighting was in 1902. The South Island Piopio was extinct by 1897.
Illustration by J G Keulemans, in W L Buller's A History of the Birds of New Zealand. 2nd edition. Published 1888.
