Attributes / relations provided by
♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 2Powlesland, R.G.; Greene, T.C.; Dilks, P.J.; Moorhouse, R.J.; Moran, L.R.; Taylor, G.; Jones, A.; Wills, D.E.; August, C.K.; August, C.L. 2009.
Breeding biology of the New Zealand kaka (Nestor meridionalis) (Psittacidae, Nestorinae). Notornis 56 (1): 11-33.
♦ 3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014.
EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 4Higgins, PJ (Ed) (1999) Handbook of Australian, New Zealand and Antarctic birds. Volume 4: Parrots to dollarbird. Oxford University Press, Melbourne
♦ 5Masello JF, Quillfeldt P (2002)
Chick growth and breeding success of the burrowing parrot Condor 104:574–586
♦ 6O'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