Attributes / relations provided by
♦ ¹The 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
♦ ²THE IMPORTANCE OF BIRDS AS BROWSERS, POLLINATORS AND SEED DISPERSERS IN NEW ZEALAND FORESTS, M.N. Clout and J. R. Hay, NEW ZEALAND JOURNAL OF ECOLOGY, VOL 12, (SUPPLEMENT) 1989, pp. 27-33
♦ ³FLESHY 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