Attributes / relations provided by
♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014.
EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3Robertson, HA, AH Whitaker, BM Fitzgerald 1983. Morphometrics of forest birds in the Orongorongo Valley, Wellington, New Zealand. New Zealand Journal of Zoology 10: 87-98
♦ 4del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 5Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007.
Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ 6FLESHY 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
♦ 7O'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
♦ 8HONEYEATERS 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
♦ 9The 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
♦ 10Hyde, N.H.S.; Worthy, T.H. 2010.
The diet of New Zealand falcons (Falco novaeseelandiae) on the Auckland Islands, New Zealand. Notornis 57(1): 19-26.