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♦ ¹FLESHY FRUITS OF INDIGENOUS AND ADVENTIVE PLANTS IN THE DIET OF BIRDS IN FOREST REMNANTS, NELSON, NEW ZEALAND, PETER A. WILLIAMS and BRIAN J. KARL, New Zealand Journal of Ecology (1996) 20(2): 127-145
♦ ²O'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
♦ ³HONEYEATERS AND THE NEW ZEALAND FOREST FLORA: THE UTILISATION AND PROFITABILITY OF SMALL FLOWERS, Isabel Castro and Alastair W. Robertson, New Zealand Journal of Ecology (1997) 21(2): 169-179
♦ ⁴The relative importance of birds and insects as pollinators of the New Zealand flora, Sandra H. Anderson, New Zealand Journal of Ecology (2003) 27(2): 83-94