1. The foods of kakapo on Stewart Island as determined from their feeding sign;Best;N.Z. J. Ecol.,1984
2. The habitat, food and feeding ecology of kakapo in Fiordland: a synopsis from the unpublished MSc thesis of Richard Gray;Butler;Notornis,2006
3. New Zealand Pollen Studies: The Monocotyledons;Cranwell,1953
4. Intensive management of a critically endangered species: the kakapo;Elliott;Biol. Conserv.,2001