Order Accipitriformes Vieillot - diurnal birds of prey see Order Falconiformes Sharpe, 1874 Suborder Sarcoramphi Ridgway - American vultures 1 Family Vulturidae Illiger, 1811 - American vultures see Family Cathartidae Lafresnaye, 1839 2 Family †Neocathartidae Wetmore