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♦ ¹A STUDY OF AVIAN FRUGIVORES, BIRD-DISPERSED PLANTS, AND THElR INTERACTION IN MEDITERRANEAN SCRUBLANDS, CARLOS M. HERRERA, Ecological Monographs, 54(1), 1984, pp. 1-23
♦ ²FLESHY 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
♦ ³Birds and berries: a study of an ecological interaction. Calton, Great Britain, Snow B.K., Snow D.W., 1988, T & AD Poyser. 268 p.
♦ ⁴HONEYEATERS 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