[43]. Muscovy Duck—_Cairina moschata_ (Linn.). [44]. Rufous Tree Duck—_Dendrocygna fulva_ (Gmel.). [45]. Gray-necked Tree Duck—_Dendrocygna discolor_ Scl. and Sal. [46]. White-faced Tree Duck—_Dendrocygna viduata_ (Linn.). PELECANIFORMES. [47]. Guiana Cormorant—_Phalacrocorax vigua_ (Vieill.). [48]. Snake-bird—_Anhinga anhinga_ (Linn.). [49]. Frigate Bird—_Fregata aquila_ (Linn.). CATHARTIDIFORMES. [50]. King Vulture—_Gypagus papa_ (Linn.). [51]. Black Vulture—_Catharista urubu_ (Vieill.). [52]. Orange-headed Vulture—_Cathartes urubitinga_ Pelz. ACCIPITRIFORMES. [53]. Caracara—_Polyborus cheriway_ (Jacq.). [53a]. South American Blue Hawk—_Geranospizias caerulescens_ (Vieill.). [54]. Cream-headed Hawk—_Busarellus nigricollis_ (Lath.). [55]. South American Black Hawk—_Urubitinga urubitinga_ (Gmel.). [56]. White-headed Chimachima Hawk—_Leucopternis albicollis_ (Lath.). [57]. Guiana Crested Eagle—_Morphnus guiananensis_ (Daud.). [58]. Swallow-tailed Kite—_Elanoides forficatus_ (Linn.). [59]. American Osprey—_Pandion haliaetus carolinensis_ (Gmel.). STRIGIFORMES. [60]. Southern Pygmy Owl—_Glaucidium brazilianum phalaenoides_ (Daud.). PSITTACIFORMES. [61]. Blue and Yellow Macaw—_Ara ararauna_ (Linn.). [62]. Red and Blue Macaw—_Ara macao_ (Linn.). [63]. Mealy Amazon Parrot—_Amazona farinosa_ (Bodd.). [64]. Yellow-fronted Amazon Parrot—_Amazona ochrocephala_ (Gmel.). [65]. Blue-headed Parrot—_Pionus menstruus_ (Linn.). [66]. Dusky Parrot—_Pionus fuscus_ (Müll.). CORACIIFORMES. [67]. Great Rufous Kingfisher—_Ceryle torquata_ (Linn.). [68]. Red-bellied Kingfisher—_Ceryle americana_ (Gmel.). [69]. Pygmy Kingfisher—_Ceryle superciliosa_ (Linn.). [70]. White-necked Parauque—_Nyctidromus albicollis_ (Gmel.). [71]. Feather-toed Palm Swift—_Panyptila cayanensis_ (Gmel.). [72]. Guiana Gray-rumped Swift—_Chaetura spinicauda_ (Temm.). [73]. Eye-browed Hummingbird—_Phaëthornis guianensis_ Bouc. [74]. Guiana Rufous-breasted Hummingbird—_Phaëthornis episcopus_ (Gould). [75]. Guiana Long-tailed Hummingbird—_Topaza pella_ (Linn.). TROGONIFORMES. [76]. Greater Yellow-bellied Trogon—_Trogon viridis_ Linn. CUCULIFORMES. [77]. Great Rufous Cuckoo—_Piaya cayana_ (Linn.). [78]. Little Rufous Cuckoo—_Piaya rutila_ (Illig.). [79]. Greater Ani—_Crotophaga major_ Gmel. [80]. Smooth-billed Ani—_Crotophaga ani_ Linn. SCANSORES.