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Kearvell, J. C., & Hal, J. V.. (2016). Nest site selection by sympatric orange-fronted (Cyanoramphus malherbi) and yellow-crowned parakeets (C. auriceps) in Nothofagus spp. forest: interspecific competition between two closely related species?. Notornis, 63(1), 9-17.
Muller, C. G., Chilvers, B. L., French, R. K., Hiscock, J. A., & Battley, P. F.. (2020). Population estimate for yellow-eyed penguins (Megadyptes antipodes) in the subantarctic Auckland Islands, New Zealand. Notornis, 67(1), 299-319.
Taylor, R. H. (1998). A reappraisal of the Orange-fronted Parakeet ( Cyanoramphus sp.) - species or colour morph?. Notornis, 45(1), 49-63.