Attributes / relations provided by
♦ ¹O'Donnell, Colin F J and Dilks, Peter J, Foods and Foraging of Forest Birds in Temperate Rainforest, South. Westland, New Zealand, NZ J Ecology 18(2) (1994) pp. 87-107
♦ ²Atkinson, I.A.E.; Merton, D.V. 2006. Habitat and diet of kakapo (Strigops habroptilis) in the Esperance Valley, Fiordland, New Zealand. Notornis 53(1): 37-54