Attributes / relations provided by
♦ 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
♦ 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
♦ 3Birds and berries: a study of an ecological interaction. Calton, Great
Britain, Snow B.K., Snow D.W., 1988, T & AD Poyser. 268 p.
♦ 4Study of Northern Virginia Ecology♦ 5Ecology of Commanster