Classification All four species in the genus Nestor are thought to stem from a 'proto-kaka', dwelling in the forests of New Zealand 5 million years ago. The closest living relative of the genus is the kākāpō (Strigops habroptilus).de Kloet, R.S.; de Kloet, S.R. (2005). The evolution of the spindlin gene in birds: sequence analysis of an intron of the spindlin W and Z gene reveals four major divisions of the Psittaciformes. Molecular Phylogenetics and Evolution 36: 706–721. Together, they form the Strigopoidea, an ancient group that split off from all other Psittaciformes before their radiation.
Classification All four species in the genus Nestor are thought to stem from a 'proto-kaka' dwelling in the forests of New Zealand 5 million years ago. The closest living relative of the genus is the kākāpō (Strigops habroptilus).de Kloet, R.S.; de Kloet, S.R. (2005). The evolution of the spindlin gene in birds: sequence analysis of an intron of the spindlin W and Z gene reveals four major divisions of the Psittaciformes. Molecular Phylogenetics and Evolution 36: 706–721. Together, they form the Strigopoidea, an ancient group that split off from all other Psittaciformes before their radiation.