| Rails, Gallinules, and Coots: Rallidae |
| 1 | Red-fronted Coot | Fulica rufifrons |
| 2 | White-winged Coot | Fulica leucoptera |
| Stilts and Avocets: Recurvirostridae |
| 3 | Black-necked Stilt | Himantopus mexicanus |
| Plovers and Lapwings: Charadriidae |
| 4 | Semipalmated Plover | Charadrius semipalmatus |
| 5 | Southern Lapwing | Vanellus chilensis |
| Sandpipers and Allies: Scolopacidae |
| 6 | Wilson's Phalarope | Phalaropus tricolor |
| 7 | Lesser Yellowlegs | Tringa flavipes |
| 8 | Stilt Sandpiper | Calidris himantopus |
| 9 | White-rumped Sandpiper | Calidris fuscicollis |
| 10 | Pectoral Sandpiper | Calidris melanotos |
| Gulls, Terns, and Skimmers: Laridae |
| 11 | Brown-hooded Gull | Chroicocephalus maculipennis |
| 12 | Gray-hooded Gull | Chroicocephalus cirrocephalus |
| Grebes: Podicipedidae |
| 13 | White-tufted Grebe | Rollandia rolland |
| Storks: Ciconiidae |
| 14 | Maguari Stork | Ciconia maguari |
| Herons, Egrets, and Bitterns: Ardeidae |
| 15 | Black-crowned Night Heron | Nycticorax nycticorax |
| 16 | Western Cattle-Egret | Bubulcus ibis |
| Ovenbirds and Woodcreepers: Furnariidae |
| 17 | Buff-winged Cinclodes | Cinclodes fuscus |
| Tyrant Flycatchers: Tyrannidae |
| 18 | Austral Negrito | Lessonia rufa |
| 19 | Spectacled Tyrant | Hymenops perspicillatus |
| 20 | Great Kiskadee | Pitangus sulphuratus |
| Wagtails and Pipits: Motacillidae |
| 21 | Yellowish Pipit | Anthus chii |
| 22 | Correndera Pipit | Anthus correndera |
| Troupials and Allies: Icteridae |
| 23 | Yellow-winged Blackbird | Agelasticus thilius |
| 24 | Chestnut-capped Blackbird | Chrysomus ruficapillus |
Special Birds