Attributes / relations provided by
♦ ¹DIET OF THE YELLOW-KNOBBED CURASSOW IN THE CENTRAL VENEZUELAN LLANOS, CAROLINA BERTSCH AND GUILLERMO R. BARRETO, The Wilson Journal of Ornithology 120(4):767–777, 2008
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.