Chamaepetes unicolor "Black Guan 2" by Threefingeredlord via Flickr, Creative Commons Attribution ShareAlike.	Crax globulosa Belgianchocolate via Flickr, Creative Commons Attribution.
Crax rubra "Crax rubra (Great Curassow)" by Brian.gratwicke via Flickr, Creative Commons Attribution.	Ortalis guttata "Ortalis (guttata) araucuan" by Alex Popovkin, Bahia, Brazil via Flickr, Creative Commons Attribution.
Pauxi unicornis "Southern Helmeted Curassow" by P. Stubbs photo via Flickr, Creative Commons Attribution.

Taxonomy:

Wattled Guan, Aburria aburri (Add)

Chamaepetes goudotii (Add)
Chamaepetes unicolor

Crax alberti (Add)
Crax alector (Add)
Red-knobbed Curassow, Crax blumenbachii (Add)
Crax daubentoni (Add)
Bare-faced Curassow, Crax fasciolata (Add)
Crax globulosa

Crax rubra

Alagoas Curassow, Mitu mitu (Add)
Mitu salvini (Add)
Mitu tomentosa (Add)
Razor-billed Curassow, Mitu tuberosa (Add)

Nothocrax urumutum (Add)

Horned Guan, Oreophasis derbianus (Add)

Ortalis canicollis (Add)
Ortalis cinereiceps (Add)
Ortalis erythroptera (Add)
Ortalis garrula (Add)
Ortalis guttata

Ortalis leucogastra (Add)
Ortalis motmot (Add)
Ortalis poliocephala (Add)
Ortalis ruficauda (Add)
Ortalis superciliaris (Add)
Plain Chachalaca, Ortalis vetula (Add)
Ortalis wagleri (Add)

Pauxi pauxi (Add)
Pauxi unicornis

Penelope albipennis (Add)
Penelope argyrotis (Add)
Penelope barbata (Add)
Penelope dabbenei (Add)
Spix's Guan, Penelope jacquacu (Add)
Penelope jacucaca (Add)
Penelope marail (Add)
Penelope montagnii (Add)
Penelope obscura (Add)
Penelope ochrogaster (Add)
Penelope ortoni (Add)
Penelope perspicax (Add)
Penelope pileata (Add)
Penelope purpurascens (Add)
Penelope superciliaris (Add)

Penelopina nigra (Add)

Pipile cujubi (Add)
Pipile cumanensis (Add)
Pipile jacutinga (Add)
Pipile pipile (Add)