Muscovy duck
230 species of birds have been recorded, of which 63% are permanent residents, 23% winter residents, 4% transitory, and 10% do not have a defined seasonality. The ecoregion's wetlands are home to many water birds, including jabiru stork ("Jabiru mycteria"), Maguari stork ("Ciconia maguari"), boat-billed heron or páspaque ("Cochlearius cochlearius"), ruddy ground dove ("Columbina talpacoti"), Muscovy duck ("Cairina moschata"), black-bellied whistling duck ("Dendrocygna autumnalis"), pied-billed grebe ("Podilymbus podiceps"), peregrine falcon ("Falco peregrinus"), and white ibis ("Eudocimus albus").