| 1 | Greater Rhea | Rhea americana | Near-threatened | 2 5 6 |
| 2 | Solitary Tinamou | Tinamus solitarius | Near-threatened | |
| 3 | Brown Tinamou | Crypturellus obsoletus | ||
| 4 | Undulated Tinamou | Crypturellus undulatus | 2h | |
| 5 | Small-billed Tinamou | Crypturellus parvirostris | ||
| 6 | Tataupa Tinamou | Crypturellus tataupa | 2 6 | |
| 7 | Red-winged Tinamou | Rhynchotus rufescens | 5 | |
| 8 | Brushland Tinamou | Nothoprocta cinerascens | 6 | |
| 9 | White-bellied Nothura | Nothura boraquira | ||
| 10 | Spotted Nothura | Nothura maculosa | nr 3 6 | |
| 11 | Chaco Nothura | Nothura chacoensis | ||
| 12 | Dwarf Tinamou | Taoniscus nanus | Rare/Accidental Vulnerable | |
| 13 | Quebracho Crested Tinamou | Eudromia formosa | ||
| 14 | Least Grebe | Tachybaptus dominicus | 4 6 | |
| 15 | Pied-billed Grebe | Podilymbus podiceps | 1 3 5 6 | |
| 16 | White-tufted Grebe | Rollandia rolland | 6 | |
| 17 | Great Grebe | Podiceps major | ||
| 18 | Silvery Grebe | Podiceps occipitalis | 6 | |
| 19 | Neotropic Cormorant | Phalacrocorax brasilianus | 1 3 5 6 | |
| 20 | Anhinga | Anhinga anhinga | ||
| 21 | Whistling Heron | Syrigma sibilatrix | 2 4 5 6 | |
| 22 | Capped Heron | Pilherodius pileatus | ||
| 23 | Cocoi Heron | Ardea cocoi | 1 5 6 | |
| 24 | Great Egret | Ardea alba | 1 3 5 6 | |
| 25 | Little Blue Heron | Egretta caerulea | ||
| 26 | Snowy Egret | Egretta thula | 1 3 5 6 | |
| 27 | Cattle Egret | Bubulcus ibis | 3 5 6 | |
| 28 | Striated Heron | Butorides striata | ||
| 29 | Black-crowned Night-Heron | Nycticorax nycticorax | 3 5 6 | |
| 30 | Boat-billed Heron | Cochlearius cochlearius | ||
| 31 | Rufescent Tiger-Heron | Tigrisoma lineatum | 2 3 5 | |
| 32 | Zigzag Heron | Zebrilus undulatus | ||
| 33 | Stripe-backed Bittern | Ixobrychus involucris | ||
| 34 | Least Bittern | Ixobrychus exilis | ||
| 35 | Pinnated Bittern | Botaurus pinnatus | ||
| 36 | Wood Stork | Mycteria americana | 6 | |
| 37 | Maguari Stork | Ciconia maguari | 5 6 | |
| 38 | Jabiru | Jabiru mycteria | 6 | |
| 39 | Plumbeous Ibis | Theristicus caerulescens | 6 | |
| 40 | Buff-necked Ibis | Theristicus caudatus | 6 | |
| 41 | Green Ibis | Mesembrinibis cayennensis | ||
| 42 | Bare-faced Ibis | Phimosus infuscatus | 5 6 | |
| 43 | White-faced Ibis | Plegadis chihi | 5 6 | |
| 44 | Roseate Spoonbill | Platalea ajaja | 5 6 | |
| 45 | Chilean Flamingo | Phoenicopterus chilensis | Near-threatened | 6 |
| 46 | Southern Screamer | Chauna torquata | 5 6 | |
| 47 | Fulvous Whistling-Duck | Dendrocygna bicolor | 6 | |
| 48 | White-faced Whistling-Duck | Dendrocygna viduata | 6 | |
| 49 | Black-bellied Whistling-Duck | Dendrocygna autumnalis | 5 6 | |
| 50 | Black-necked Swan | Cygnus melanocorypha | ||
| 51 | Coscoroba Swan | Coscoroba coscoroba | 6 | |
| 52 | Orinoco Goose | Neochen jubata | Near-threatened | |
| 53 | Muscovy Duck | Cairina moschata | 2 | |
| 54 | Comb Duck | Sarkidiornis melanotos | ||
| 55 | Ringed Teal | Callonetta leucophrys | 6 | |
| 56 | Brazilian Teal | Amazonetta brasiliensis | 5 6 | |
| 57 | Chiloe Wigeon | Anas sibilatrix | ||
| 58 | Speckled Teal | Anas flavirostris | ||
| 59 | Yellow-billed Pintail | Anas georgica | ||
| 60 | White-cheeked Pintail | Anas bahamensis | 6 | |
| 61 | Silver Teal | Anas versicolor | 5 6 | |
| 62 | Cinnamon Teal | Anas cyanoptera | ||
| 63 | Red Shoveler | Anas platalea | 1 | |
| 64 | Rosy-billed Pochard | Netta peposaca | 6 | |
| 65 | Brazilian Merganser | Mergus octosetaceus | Critically endangered | |
| 66 | Black-headed Duck | Heteronetta atricapilla | ||
| 67 | Masked Duck | Nomonyx dominica | ||
| 68 | Lake Duck | Oxyura vittata | ||
| 69 | Black Vulture | Coragyps atratus | 1 2 3 4 5 6 | |
| 70 | Turkey Vulture | Cathartes aura | 2 6 | |
| 71 | Lesser Yellow-headed Vulture | Cathartes burrovianus | 1 5 6 | |
| 72 | Andean Condor | Vultur gryphus | Near-threatened | |
| 73 | King Vulture | Sarcoramphus papa | ||
| 74 | Osprey | Pandion haliaetus | 1 | |
| 75 | Gray-headed Kite | Leptodon cayanensis | ||
| 76 | Hook-billed Kite | Chondrohierax uncinatus | ||
| 77 | Swallow-tailed Kite | Elanoides forficatus | ||
| 78 | Pearl Kite | Gampsonyx swainsonii | ||
| 79 | White-tailed Kite | Elanus leucurus | 1 | |
| 80 | Snail Kite | Rostrhamus sociabilis | nr 2 4 5 6 | |
| 81 | Rufous-thighed Kite | Harpagus diodon | ||
| 82 | Mississippi Kite | Ictinia mississippiensis | ||
| 83 | Plumbeous Kite | Ictinia plumbea | ||
| 84 | Long-winged Harrier | Circus buffoni | 3 5 | |
| 85 | Cinereous Harrier | Circus cinereus | ||
| 86 | Gray-bellied Goshawk | Accipiter poliogaster | ||
| 87 | Tiny Hawk | Accipiter superciliosus | ||
| 88 | Rufous-thighed Hawk | Accipiter erythronemius | ||
| 89 | Bicolored Hawk | Accipiter bicolor | ||
| 90 | Crane Hawk | Geranospiza caerulescens | ||
| 91 | Mantled Hawk | Leucopternis polionotus | Near-threatened | |
| 92 | Great Black-Hawk | Buteogallus urubitinga | 6 | |
| 93 | Savanna Hawk | Buteogallus meridionalis | 3 5 6 | |
| 94 | Harris's Hawk | Parabuteo unicinctus | ||
| 95 | Black-collared Hawk | Busarellus nigricollis | 5 6 | |
| 96 | Black-chested Buzzard-Eagle | Geranoaetus melanoleucus | ||
| 97 | Crowned Eagle | Harpyhaliaetus coronatus | Vulnerable | |
| 98 | Gray Hawk | Asturina nitida | ||
| 99 | Roadside Hawk | Buteo magnirostris | 1 2 3 4 5 6 | |
| 100 | White-rumped Hawk | Buteo leucorrhous | ||
| 101 | Short-tailed Hawk | Buteo brachyurus | ||
| 102 | Swainson's Hawk | Buteo swainsoni | ||
| 103 | White-tailed Hawk | Buteo albicaudatus | 2 6 | |
| 104 | Zone-tailed Hawk | Buteo albonotatus | ||
| 105 | Crested Eagle | Morphnus guianensis | Near-threatened | |
| 106 | Harpy Eagle | Harpia harpyja | Near-threatened | |
| 107 | Black-and-white Hawk-Eagle | Spizastur melanoleucus | 3 | |
| 108 | Black Hawk-Eagle | Spizaetus tyrannus | ||
| 109 | Ornate Hawk-Eagle | Spizaetus ornatus | ||
| 110 | Southern Caracara | Caracara plancus | 1 3 5 6 | |
| 111 | Yellow-headed Caracara | Milvago chimachima | 3 4 5 6 | |
| 112 | Chimango Caracara | Milvago chimango | nr 3 4 5 6 | |
| 113 | Laughing Falcon | Herpetotheres cachinnans | ||
| 114 | Barred Forest-Falcon | Micrastur ruficollis | ||
| 115 | Collared Forest-Falcon | Micrastur semitorquatus | ||
| 116 | Spot-winged Falconet | Spiziapteryx circumcinctus | ||
| 117 | American Kestrel | Falco sparverius | 2 3 5 6 | |
| 118 | Aplomado Falcon | Falco femoralis | 1 5 6 | |
| 119 | Bat Falcon | Falco rufigularis | ||
| 120 | Orange-breasted Falcon | Falco deiroleucus | ||
| 121 | Peregrine Falcon | Falco peregrinus | ||
| 122 | Chaco Chachalaca | Ortalis canicollis | 5 6 | |
| 123 | Rusty-margined Guan | Penelope superciliaris | 2h | |
| 124 | Dusky-legged Guan | Penelope obscura | ||
| 125 | Blue-throated Piping-Guan | Pipile cumanensis | ||
| 126 | Red-throated Piping-Guan | Pipile cujubi | ||
| 127 | Black-fronted Piping-Guan | Pipile jacutinga | Vulnerable | |
| 128 | Bare-faced Curassow | Crax fasciolata | ||
| 129 | Marbled Wood-Quail | Odontophorus gujanensis | ||
| 130 | Spot-winged Wood-Quail | Odontophorus capueira | 3 | |
| 131 | Limpkin | Aramus guarauna | 1 nr 2 4 5 6 | |
| 132 | Speckled Rail | Coturnicops notatus | ||
| 133 | Ocellated Crake | Micropygia schomburgkii | ||
| 134 | Russet-crowned Crake | Anurolimnas viridis | ||
| 135 | Rufous-sided Crake | Laterallus melanophaius | ||
| 136 | Gray-breasted Crake | Laterallus exilis | ||
| 137 | Red-and-white Crake | Laterallus leucopyrrhus | ||
| 138 | Rufous-faced Crake | Laterallus xenopterus | Vulnerable | |
| 139 | Gray-necked Wood-Rail | Aramides cajanea | ||
| 140 | Giant Wood-Rail | Aramides ypecaha | 5 6 | |
| 141 | Slaty-breasted Wood-Rail | Aramides saracura | ||
| 142 | Ash-throated Crake | Porzana albicollis | ||
| 143 | Yellow-breasted Crake | Porzana flaviventer | ||
| 144 | Paint-billed Crake | Neocrex erythrops | ||
| 145 | Spotted Rail | Pardirallus maculatus | ||
| 146 | Blackish Rail | Pardirallus nigricans | ||
| 147 | Plumbeous Rail | Pardirallus sanguinolentus | ||
| 148 | Purple Gallinule | Porphyrio martinica | ||
| 149 | Azure Gallinule | Porphyrio flavirostris | ||
| 150 | Common Moorhen | Gallinula chloropus | 1 3 5 6 | |
| 151 | Spot-flanked Gallinule | Gallinula melanops | ||
| 152 | White-winged Coot | Fulica leucoptera | 1 6 | |
| 153 | Red-gartered Coot | Fulica armillata | ||
| 154 | Red-fronted Coot | Fulica rufifrons | ||
| 155 | Sungrebe | Heliornis fulica | ||
| 156 | Red-legged Seriema | Cariama cristata | ||
| 157 | Black-legged Seriema | Chunga burmeisteri | ||
| 158 | Wattled Jacana | Jacana jacana | 1 2 4 5 6 | |
| 159 | American Painted-snipe | Rostratula semicollaris | ||
| 160 | White-backed Stilt | Himantopus melanurus | 1 nr 3 5 6 | |
| 161 | Pied Lapwing | Vanellus cayanus | ||
| 162 | Southern Lapwing | Vanellus chilensis | 1 2 3 4 5 6 | |
| 163 | American Golden-Plover | Pluvialis dominica | ||
| 164 | Black-bellied Plover | Pluvialis squatarola | ||
| 165 | Collared Plover | Charadrius collaris | 1 6 | |
| 166 | South American Snipe | Gallinago paraguaiae | 3 5 | |
| 167 | Giant Snipe | Gallinago undulata | ||
| 168 | Hudsonian Godwit | Limosa haemastica | ||
| 169 | Eskimo Curlew | Numenius borealis | Rare/Accidental Critically endangered (possibly extinct) | |
| 170 | Upland Sandpiper | Bartramia longicauda | ||
| 171 | Greater Yellowlegs | Tringa melanoleuca | 6 | |
| 172 | Lesser Yellowlegs | Tringa flavipes | 1 6 | |
| 173 | Solitary Sandpiper | Tringa solitaria | ||
| 174 | Spotted Sandpiper | Actitis macularia | ||
| 175 | Red Knot | Calidris canutus | ||
| 176 | Sanderling | Calidris alba | ||
| 177 | Semipalmated Sandpiper | Calidris pusilla | Rare/Accidental | |
| 178 | Least Sandpiper | Calidris minutilla | ||
| 179 | White-rumped Sandpiper | Calidris fuscicollis | 1 6 | |
| 180 | Baird's Sandpiper | Calidris bairdii | ||
| 181 | Pectoral Sandpiper | Calidris melanotos | ||
| 182 | Stilt Sandpiper | Calidris himantopus | 1 | |
| 183 | Buff-breasted Sandpiper | Tryngites subruficollis | Near-threatened | |
| 184 | Wilson's Phalarope | Phalaropus tricolor | 6 | |
| 185 | Red Phalarope | Phalaropus fulicarius | ||
| 186 | Gray-headed Gull | Larus cirrocephalus | ||
| 186 | Franklin's Gull | Larus | 6 | |
| 187 | Brown-hooded Gull | Larus maculipennis | ||
| 188 | Arctic Tern | Sterna paradisaea | ||
| 189 | Yellow-billed Tern | Sterna superciliaris | 1 | |
| 190 | Large-billed Tern | Phaetusa simplex | 1 4 5 6 | |
| 191 | Black Skimmer | Rynchops niger | 1 6 | |
| 192 | Rock Pigeon | Columba livia | Introduced species | 1 3 |
| 193 | Scaled Pigeon | Patagioenas speciosa | 2 | |
| 194 | Picazuro Pigeon | Patagioenas picazuro | 2 3 5 6 | |
| 195 | Spot-winged Pigeon | Patagioenas maculosa | ||
| 196 | Pale-vented Pigeon | Patagioenas cayennensis | ||
| 197 | Plumbeous Pigeon | Patagioenas plumbea | ||
| 198 | Eared Dove | Zenaida auriculata | 1 3 5 6 | |
| 199 | Plain-breasted Ground-Dove | Columbina minuta | ||
| 200 | Ruddy Ground-Dove | Columbina talpacoti | 2 3 | |
| 201 | Picui Ground-Dove | Columbina picui | 1 3 4 5 6 | |
| 202 | Scaled Dove | Columbina squammata | 2 | |
| 203 | Blue Ground-Dove | Claravis pretiosa | ||
| 204 | Purple-winged Ground-Dove | Claravis godefrida | Endangered | |
| 205 | White-tipped Dove | Leptotila verreauxi | 1 2? 3 4 5 6 | |
| 206 | Gray-fronted Dove | Leptotila rufaxilla | 3h? 4 | |
| 207 | Violaceous Quail-Dove | Geotrygon violacea | ||
| 208 | Ruddy Quail-Dove | Geotrygon montana | ||
| 209 | Hyacinth Macaw | Anodorhynchus hyacinthinus | Endangered | |
| 210 | Blue-and-yellow Macaw | Ara ararauna | ||
| 211 | Red-and-green Macaw | Ara chloroptera | ||
| 212 | Blue-winged Macaw | Primolius maracana | Vulnerable | |
| 213 | Golden-collared Macaw | Primolius auricollis | ||
| 214 | Blue-crowned Parakeet | Aratinga acuticaudata | ||
| 215 | White-eyed Parakeet | Aratinga leucophthalmus | 2 | |
| 216 | Golden-capped Parakeet | Aratinga auricapilla | Rare/Accidental Vulnerable | |
| 217 | Peach-fronted Parakeet | Aratinga aurea | ||
| 218 | Nanday Parakeet | Nandayus nenday | ||
| 219 | Blaze-winged Parakeet | Pyrrhura devillei | ||
| 220 | Maroon-bellied Parakeet | Pyrrhura frontalis | 2 | |
| 221 | Green-cheeked Parakeet | Pyrrhura molinae | ||
| 222 | Monk Parakeet | Myiopsitta monachus | 1 5 6 | |
| 223 | Blue-winged Parrotlet | Forpus xanthopterygius | 1 2 4 | |
| 224 | White-winged Parakeet | Brotogeris versicolurus | ||
| 225 | Yellow-chevroned Parakeet | Brotogeris chiriri | 3 4 | |
| 226 | Pileated Parrot | Pionopsitta pileata | ||
| 227 | Scaly-headed Parrot | Pionus maximiliani | 2 4 | |
| 228 | Red-spectacled Parrot | Amazona pretrei | Vulnerable | |
| 229 | Yellow-faced Parrot | Amazona xanthops | Vulnerable | |
| 230 | Blue-fronted Parrot | Amazona aestiva | 2 5 6 | |
| 231 | Vinaceous Parrot | Amazona vinacea | Endangered | |
| 232 | Ash-colored Cuckoo | Coccyzus cinereus | ||
| 233 | Black-billed Cuckoo | Coccyzus erythropthalmus | ||
| 234 | Yellow-billed Cuckoo | Coccyzus americanus | ||
| 235 | Dark-billed Cuckoo | Coccyzus melacoryphus | ||
| 236 | Squirrel Cuckoo | Piaya cayana | 2 3 4 5 | |
| 237 | Greater Ani | Crotophaga major | ||
| 238 | Smooth-billed Ani | Crotophaga ani | 1 2 3 4 5 | |
| 239 | Guira Cuckoo | Guira guira | 1 2 3 4 5 6 | |
| 240 | Striped Cuckoo | Tapera naevia | 1h 4h | |
| 241 | Pheasant Cuckoo | Dromococcyx phasianellus | ||
| 242 | Pavonine Cuckoo | Dromococcyx pavoninus | 2h 3h | |
| 243 | Barn Owl | Tyto alba | ||
| 244 | Tropical Screech-Owl | Megascops choliba | 2 | |
| 245 | Variable Screech-Owl | Megascops atricapillus | ||
| 246 | Great Horned Owl | Bubo virginianus | 6 | |
| 247 | Rusty-barred Owl | Strix hylophila | ||
| 248 | Chaco Owl | Strix chacoensis | ||
| 249 | Mottled Owl | Ciccaba virgata | ||
| 250 | Black-banded Owl | Ciccaba huhula | ||
| 251 | Spectacled Owl | Pulsatrix perspicillata | ||
| 252 | Tawny-browed Owl | Pulsatrix koeniswaldiana | ||
| 253 | Least Pygmy-Owl | Glaucidium minutissimum | ||
| 254 | Ferruginous Pygmy-Owl | Glaucidium brasilianum | 2h? 6? | |
| 255 | Tucuman Pygmy-Owl | Glaucidium tucumanum | ||
| 256 | Burrowing Owl | Athene cunicularia | 3 5 6 | |
| 257 | Buff-fronted Owl | Aegolius harrisii | ||
| 258 | Striped Owl | Pseudoscops clamator | ||
| 259 | Stygian Owl | Asio stygius | ||
| 260 | Short-eared Owl | Asio flammeus | ||
| 261 | Long-tailed Potoo | Nyctibius aethereus | ||
| 262 | Common Potoo | Nyctibius griseus | ||
| 263 | Short-tailed Nighthawk | Lurocalis semitorquatus | ||
| 264 | Lesser Nighthawk | Chordeiles acutipennis | ||
| 265 | Common Nighthawk | Chordeiles minor | ||
| 266 | Nacunda Nighthawk | Podager nacunda | 1 6 | |
| 267 | Band-tailed Nighthawk | Nyctiprogne leucopyga | ||
| 268 | Pauraque | Nyctidromus albicollis | ||
| 269 | Ocellated Poorwill | Nyctiphrynus ocellatus | ||
| 270 | Rufous Nightjar | Caprimulgus rufus | ||
| 271 | Silky-tailed Nightjar | Caprimulgus sericocaudatus | ||
| 272 | Band-winged Nightjar | Caprimulgus longirostris | ||
| 273 | White-winged Nightjar | Caprimulgus candicans | Endangered | |
| 274 | Little Nightjar | Caprimulgus parvulus | ||
| 275 | Spot-tailed Nightjar | Caprimulgus maculicaudus | ||
| 276 | White-tailed Nightjar | Caprimulgus cayennensis | ||
| 277 | Scissor-tailed Nightjar | Hydropsalis torquata | 6 | |
| 278 | Sickle-winged Nightjar | Eleothreptus anomalus | Near-threatened | |
| 279 | Sooty Swift | Cypseloides fumigatus | ||
| 280 | Great Dusky Swift | Cypseloides senex | ||
| 281 | White-collared Swift | Streptoprocne zonaris | ||
| 282 | Biscutate Swift | Streptoprocne biscutata | ||
| 283 | Gray-rumped Swift | Chaetura cinereiventris | 3 | |
| 284 | Ashy-tailed Swift | Chaetura andrei | ||
| 285 | Scale-throated Hermit | Phaethornis eurynome | 3 | |
| 286 | Planalto Hermit | Phaethornis pretrei | ||
| 287 | Swallow-tailed Hummingbird | Eupetomena macrourus | ||
| 288 | Black Jacobin | Florisuga fuscus | ||
| 289 | White-vented Violet-ear | Colibri serrirostris | ||
| 290 | Black-throated Mango | Anthracothorax nigricollis | ||
| 291 | Plovercrest | Stephanoxis lalandi | 3 | |
| 292 | Glittering-bellied Emerald | Chlorostilbon aureoventris | 1 4 6 | |
| 293 | Fork-tailed Woodnymph | Thalurania furcata | ||
| 294 | Violet-capped Woodnymph | Thalurania glaucopis | ||
| 295 | Rufous-throated Sapphire | Hylocharis sapphirina | ||
| 296 | White-chinned Sapphire | Hylocharis cyanus | ||
| 297 | Gilded Sapphire | Hylocharis chrysura | 4 | |
| 298 | White-throated Hummingbird | Leucochloris albicollis | ||
| 299 | White-tailed Goldenthroat | Polytmus guainumbi | 4? | |
| 300 | White-bellied Hummingbird | Leucippus chionogaster | ||
| 301 | Versicolored Emerald | Agyrtria versicolor | ||
| 302 | Glittering-throated Emerald | Polyerata fimbriata | ||
| 303 | Blue-tufted Starthroat | Heliomaster furcifer | ||
| 304 | Amethyst Woodstar | Calliphlox amethystina | ||
| 305 | Black-throated Trogon | Trogon rufus | 2h | |
| 306 | Surucua Trogon | Trogon surrucura | 3 | |
| 307 | Blue-crowned Trogon | Trogon curucui | ||
| 308 | Ringed Kingfisher | Ceryle torquatus | 1 5 | |
| 309 | Amazon Kingfisher | Chloroceryle amazona | 3 5 6 | |
| 310 | Green Kingfisher | Chloroceryle americana | 5 | |
| 311 | Green-and-rufous Kingfisher | Chloroceryle inda | ||
| 312 | American Pygmy Kingfisher | Chloroceryle aenea | ||
| 313 | Blue-crowned Motmot | Momotus momota | ||
| 314 | Rufous-capped Motmot | Baryphthengus ruficapillus | 2 | |
| 315 | Rufous-tailed Jacamar | Galbula ruficauda | ||
| 316 | White-necked Puffbird | Notharchus macrorhynchos | ||
| 317 | Buff-bellied Puffbird | Notharchus swainsoni | ||
| 318 | White-eared Puffbird | Nystalus chacuru | 2 | |
| 319 | Spot-backed Puffbird | Nystalus maculatus | ||
| 320 | Rusty-breasted Nunlet | Nonnula rubecula | ||
| 321 | Chestnut-eared Aracari | Pteroglossus castanotis | 2 | |
| 322 | Saffron Toucanet | Baillonius bailloni | Near-threatened | 3 |
| 323 | Spot-billed Toucanet | Selenidera maculirostris | 2 | |
| 324 | Red-breasted Toucan | Ramphastos dicolorus | ||
| 325 | Toco Toucan | Ramphastos toco | 2 5 | |
| 326 | White-barred Piculet | Picumnus cirratus | 4 | |
| 327 | Ochre-collared Piculet | Picumnus temminckii | 3 | |
| 328 | White-wedged Piculet | Picumnus albosquamatus | ||
| 329 | Mottled Piculet | Picumnus nebulosus | Near-threatened | |
| 330 | White Woodpecker | Melanerpes candidus | 3 5 | |
| 331 | Yellow-fronted Woodpecker | Melanerpes flavifrons | 2 | |
| 332 | White-fronted Woodpecker | Melanerpes cactorum | 6 | |
| 333 | Checkered Woodpecker | Picoides mixtus | 6 | |
| 334 | Little Woodpecker | Veniliornis passerinus | ||
| 335 | White-spotted Woodpecker | Veniliornis spilogaster | 3 | |
| 336 | Golden-green Woodpecker | Piculus chrysochloros | ||
| 337 | Yellow-browed Woodpecker | Piculus aurulentus | Near-threatened | |
| 338 | Green-barred Woodpecker | Colaptes melanochloros | nr 3 4 6 | |
| 339 | Campo Flicker | Colaptes campestris | 2 3 4 5 | |
| 340 | Pale-crested Woodpecker | Celeus lugubris | ||
| 341 | Blond-crested Woodpecker | Celeus flavescens | 2 | |
| 342 | Helmeted Woodpecker | Dryocopus galeatus | Vulnerable | |
| 343 | Lineated Woodpecker | Dryocopus lineatus | ||
| 344 | Black-bodied Woodpecker | Dryocopus schulzi | Near-threatened | |
| 345 | Robust Woodpecker | Campephilus robustus | ||
| 346 | Crimson-crested Woodpecker | Campephilus melanoleucos | ||
| 347 | Cream-backed Woodpecker | Campephilus leucopogon | ||
| 348 | Common Miner | Geositta cunicularia | Rare/Accidental | |
| 349 | Chaco Earthcreeper | Ochetorhynchus certhioides | 6 | |
| 350 | Bar-winged Cinclodes | Cinclodes fuscus | ||
| 351 | Rufous Hornero | Furnarius rufus | 2 3 4 5 nr 6 | |
| 352 | Crested Hornero | Furnarius cristatus | 6 | |
| 353 | Tufted Tit-Spinetail | Leptasthenura platensis | ||
| 354 | Wren-like Rushbird | Phleocryptes melanops | ||
| 355 | Chotoy Spinetail | Schoeniophylax phryganophila | 6 | |
| 356 | Sooty-fronted Spinetail | Synallaxis frontalis | 5 6 | |
| 357 | Pale-breasted Spinetail | Synallaxis albescens | 2 6h | |
| 358 | Chicli Spinetail | Synallaxis spixi | ||
| 359 | Rufous-capped Spinetail | Synallaxis ruficapilla | 3 | |
| 360 | Plain-crowned Spinetail | Synallaxis gujanensis | ||
| 361 | White-lored Spinetail | Synallaxis albilora | ||
| 362 | Gray-bellied Spinetail | Synallaxis cinerascens | 3 | |
| 363 | Olive Spinetail | Cranioleuca obsoleta | ||
| 364 | Stripe-crowned Spinetail | Cranioleuca pyrrhophia | 6 | |
| 365 | Yellow-chinned Spinetail | Certhiaxis cinnamomea | 1h 5 6 | |
| 366 | Lesser Canastero | Asthenes pyrrholeuca | 6 | |
| 367 | Short-billed Canastero | Asthenes baeri | 6 | |
| 368 | Hudson's Canastero | Asthenes hudsoni | ||
| 369 | Common Thornbird | Phacellodomus rufifrons | 6 | |
| 370 | Little Thornbird | Phacellodomus sibilatrix | 6 | |
| 371 | Greater Thornbird | Phacellodomus ruber | 4 5 | |
| 372 | Canebrake Groundcreeper | Clibanornis dendrocolaptoides | Vulnerable | |
| 373 | Firewood-gatherer | Anumbius annumbi | 5 6h | |
| 374 | Lark-like Brushrunner | Coryphistera alaudina | 6 | |
| 375 | Gray-crested Cacholote | Pseudoseisura unirufa | ||
| 376 | Brown Cacholote | Pseudoseisura lophotes | ||
| 377 | Plain Xenops | Xenops minutus | ||
| 378 | Streaked Xenops | Xenops rutilans | ||
| 379 | Sharp-billed Treehunter | Heliobletus contaminatus | ||
| 380 | White-browed Foliage-gleaner | Anabacerthia amaurotis | Near-threatened | |
| 381 | Buff-browed Foliage-gleaner | Syndactyla rufosuperciliata | ||
| 382 | Buff-fronted Foliage-gleaner | Philydor rufus | 3? | |
| 383 | Ochre-breasted Foliage-gleaner | Philydor lichtensteini | 3 | |
| 384 | Russet-mantled Foliage-gleaner | Philydor dimidiatus | ||
| 385 | Black-capped Foliage-gleaner | Philydor atricapillus | ||
| 386 | White-eyed Foliage-gleaner | Automolus leucophthalmus | ||
| 387 | Chestnut-capped Foliage-gleaner | Hylocryptus rectirostris | ||
| 388 | Rufous-breasted Leaftosser | Sclerurus scansor | ||
| 389 | Sharp-tailed Streamcreeper | Lochmias nematura | ||
| 390 | Thrush-like Woodcreeper | Dendrocincla turdina | 3 | |
| 391 | White-chinned Woodcreeper | Dendrocincla merula | ||
| 392 | Olivaceous Woodcreeper | Sittasomus griseicapillus | 3 | |
| 393 | Scimitar-billed Woodcreeper | Drymornis bridgesii | 5? 6 | |
| 394 | White-throated Woodcreeper | Xiphocolaptes albicollis | ||
| 395 | Great Rufous Woodcreeper | Xiphocolaptes major | ||
| 396 | Black-banded Woodcreeper | Dendrocolaptes picumnus | ||
| 397 | Planalto Woodcreeper | Dendrocolaptes platyrostris | ||
| 398 | Lesser Woodcreeper | Xiphorhynchus fuscus | 3 | |
| 399 | Narrow-billed Woodcreeper | Lepidocolaptes angustirostris | 2 4 5 6 | |
| 400 | Scaled Woodcreeper | Lepidocolaptes falcinellus | ||
| 401 | Red-billed Scythebill | Campylorhamphus trochilirostris | ||
| 402 | Black-billed Scythebill | Campylorhamphus falcularius | ||
| 403 | Spot-backed Antshrike | Hypoedaleus guttatus | 2 3 | |
| 404 | Giant Antshrike | Batara cinerea | ||
| 405 | Tufted Antshrike | Mackenziaena severa | 3 | |
| 406 | Large-tailed Antshrike | Mackenziaena leachii | ||
| 407 | Great Antshrike | Taraba major | 6 | |
| 408 | White-bearded Antshrike | Biatas nigropectus | Vulnerable | |
| 409 | Barred Antshrike | Thamnophilus doliatus | 1h 4 6 | |
| 410 | Variable Antshrike | Thamnophilus caerulescens | 3 4 | |
| 411 | Rufous-capped Antshrike | Thamnophilus ruficapillus | ||
| 412 | Plain Antvireo | Dysithamnus mentalis | 2 3 | |
| 413 | Stripe-backed Antbird | Myrmorchilus strigilatus | 6 | |
| 414 | Black-capped Antwren | Herpsilochmus atricapillus | ||
| 415 | Rufous-winged Antwren | Herpsilochmus rufimarginatus | 3 | |
| 416 | Black-bellied Antwren | Formicivora melanogaster | ||
| 417 | Rusty-backed Antwren | Formicivora rufa | 2 | |
| 418 | Bertoni's Antbird | Drymophila rubricollis | ||
| 419 | Dusky-tailed Antbird | Drymophila malura | ||
| 420 | Streak-capped Antwren | Terenura maculata | ||
| 421 | Mato Grosso Antbird | Cercomacra melanaria | ||
| 422 | White-backed Fire-eye | Pyriglena leuconota | ||
| 423 | White-shouldered Fire-eye | Pyriglena leucoptera | 3 | |
| 424 | Band-tailed Antbird | Hypocnemoides maculicauda | ||
| 425 | Short-tailed Antthrush | Chamaeza campanisona | 3h | |
| 426 | Variegated Antpitta | Grallaria varia | ||
| 427 | Speckle-breasted Antpitta | Hylopezus nattereri | ||
| 428 | Rufous Gnateater | Conopophaga lineata | 3h? | |
| 429 | Crested Gallito | Rhinocrypta lanceolata | ||
| 430 | Collared Crescent-chest | Melanopareia torquata | ||
| 431 | Olive-crowned Crescent-chest | Melanopareia maximiliani | ||
| 432 | Sharpbill | Oxyruncus cristatus | ||
| 433 | White-tipped Plantcutter | Phytotoma rutila | ||
| 434 | Swallow-tailed Cotinga | Phibalura flavirostris | Near-threatened | |
| 435 | Bare-necked Fruitcrow | Gymnoderus foetidus | ||
| 436 | Red-ruffed Fruitcrow | Pyroderus scutatus | ||
| 437 | Bare-throated Bellbird | Procnias nudicollis | Near-threatened | 2h |
| 438 | White-bearded Manakin | Manacus manacus | ||
| 439 | Blue Manakin | Chiroxiphia caudata | ||
| 440 | Band-tailed Manakin | Pipra fasciicauda | 2 | |
| 441 | Helmeted Manakin | Antilophia galeata | ||
| 442 | Wing-barred Piprites | Piprites chloris | ||
| 443 | Greenish Schiffornis | Schiffornis virescens | 3 | |
| 444 | Southern Beardless-Tyrannulet | Camptostoma obsoletum | 3? 6 | |
| 445 | Mouse-colored Tyrannulet | Phaeomyias murina | ||
| 446 | Yellow Tyrannulet | Capsiempis flaveola | 3 | |
| 447 | Gray Elaenia | Myiopagis caniceps | 3? | |
| 448 | Greenish Elaenia | Myiopagis viridicata | ||
| 449 | Large Elaenia | Elaenia spectabilis | ||
| 450 | Yellow-bellied Elaenia | Elaenia flavogaster | ||
| 451 | White-crested Elaenia | Elaenia albiceps | ||
| 452 | Small-billed Elaenia | Elaenia parvirostris | ||
| 453 | Olivaceous Elaenia | Elaenia mesoleuca | ||
| 454 | Lesser Elaenia | Elaenia chiriquensis | ||
| 455 | Highland Elaenia | Elaenia obscura | ||
| 456 | Sooty Tyrannulet | Serpophaga nigricans | 4 5 | |
| 457 | White-crested Tyrannulet | Serpophaga subcristata | 3? | |
| 457 | Grey-capped Tyrannulet | Serpophaga | 6 | |
| 458 | White-bellied Tyrannulet | Serpophaga munda | 6? | |
| 459 | Gray-hooded Flycatcher | Mionectes rufiventris | ||
| 460 | Sepia-capped Flycatcher | Leptopogon amaurocephalus | 3 | |
| 461 | Southern Bristle-Tyrant | Pogonotriccus eximius | Near-threatened | |
| 462 | Sao Paulo Tyrannulet | Phylloscartes paulistus | Vulnerable | |
| 463 | Mottle-cheeked Tyrannulet | Phylloscartes ventralis | ||
| 464 | Bay-ringed Tyrannulet | Phylloscartes sylviolus | Near-threatened | 3 |
| 465 | Planalto Tyrannulet | Phyllomyias fasciatus | ||
| 466 | Rough-legged Tyrannulet | Phyllomyias burmeisteri | 3? | |
| 467 | Greenish Tyrannulet | Phyllomyias virescens | ||
| 468 | Reiser's Tyrannulet | Phyllomyias reiseri | ||
| 469 | Southern Scrub-Flycatcher | Sublegatus modestus | ||
| 470 | Suiriri Flycatcher | Suiriri suiriri | 6 | |
| 471 | Plain Tyrannulet | Inezia inornata | ||
| 472 | Greater Wagtail-Tyrant | Stigmatura budytoides | 6 | |
| 473 | Many-colored Rush-Tyrant | Tachuris rubrigastra | ||
| 474 | Sharp-tailed Tyrant | Culicivora caudacuta | Near-threatened | |
| 475 | Bearded Tachuri | Polystictus pectoralis | Near-threatened | |
| 476 | Crested Doradito | Pseudocolopteryx sclateri | ||
| 477 | Dinelli's Doradito | Pseudocolopteryx dinellianus | Near-threatened | |
| 478 | Subtropical Doradito | Pseudocolopteryx acutipennis | ||
| 479 | Warbling Doradito | Pseudocolopteryx flaviventris | ||
| 480 | Tawny-crowned Pygmy-Tyrant | Euscarthmus meloryphus | 2 | |
| 481 | Rufous-sided Pygmy-Tyrant | Euscarthmus rufomarginatus | Vulnerable | |
| 482 | Eared Pygmy-Tyrant | Myiornis auricularis | 2 3 | |
| 483 | Ochre-faced Tody-Flycatcher | Poecilotriccus plumbeiceps | ||
| 484 | Rusty-fronted Tody-Flycatcher | Poecilotriccus latirostris | ||
| 485 | Drab-breasted Bamboo-Tyrant | Hemitriccus diops | 3 | |
| 486 | Stripe-necked Tody-Tyrant | Hemitriccus striaticollis | ||
| 487 | Pearly-vented Tody-Tyrant | Hemitriccus margaritaceiventer | 5 6 | |
| 488 | Common Tody-Flycatcher | Todirostrum cinereum | ||
| 489 | Southern Antpipit | Corythopis delalandi | ||
| 490 | Large-headed Flatbill | Ramphotrigon megacephala | ||
| 491 | Yellow-olive Flycatcher | Tolmomyias sulphurescens | ||
| 492 | White-throated Spadebill | Platyrinchus mystaceus | 3 | |
| 493 | Russet-winged Spadebill | Platyrinchus leucoryphus | Near-threatened | |
| 494 | Bran-colored Flycatcher | Myiophobus fasciatus | 4 | |
| 495 | Cliff Flycatcher | Hirundinea ferruginea | ||
| 496 | Fuscous Flycatcher | Cnemotriccus fuscatus | ||
| 497 | Euler's Flycatcher | Lathrotriccus euleri | ||
| 498 | Tropical Pewee | Contopus cinereus | ||
| 499 | Vermilion Flycatcher | Pyrocephalus rubinus | 5 6 | |
| 500 | Gray Monjita | Xolmis cinerea | 5 6 | |
| 501 | Black-crowned Monjita | Xolmis coronata | ||
| 502 | White-rumped Monjita | Xolmis velata | ||
| 503 | White Monjita | Xolmis irupero | 1 5 6 | |
| 504 | Rusty-backed Monjita | Xolmis rubetra | ||
| 505 | Black-and-white Monjita | Xolmis dominicanus | Vulnerable | |
| 506 | Gray-bellied Shrike-Tyrant | Agriornis microptera | ||
| 507 | Lesser Shrike-Tyrant | Agriornis murina | ||
| 508 | Austral Negrito | Lessonia rufa | ||
| 509 | Cinereous Tyrant | Knipolegus striaticeps | 6 | |
| 510 | Hudson's Black-Tyrant | Knipolegus hudsoni | ||
| 511 | Blue-billed Black-Tyrant | Knipolegus cyanirostris | ||
| 512 | White-winged Black-Tyrant | Knipolegus aterrimus | ||
| 513 | Crested Black-Tyrant | Knipolegus lophotes | ||
| 514 | Spectacled Tyrant | Hymenops perspicillatus | 1 5 6 | |
| 515 | Black-backed Water-Tyrant | Fluvicola albiventer | ||
| 516 | White-headed Marsh-Tyrant | Arundinicola leucocephala | ||
| 517 | Cock-tailed Tyrant | Alectrurus tricolor | Vulnerable | |
| 518 | Strange-tailed Tyrant | Alectrurus risora | Vulnerable | |
| 519 | Streamer-tailed Tyrant | Gubernetes yetapa | 2 5 | |
| 520 | Yellow-browed Tyrant | Satrapa icterophrys | ||
| 521 | Long-tailed Tyrant | Colonia colonus | ||
| 522 | Cattle Tyrant | Machetornis rixosus | 1 2 3 4 5 6 | |
| 523 | Shear-tailed Gray Tyrant | Muscipipra vetula | ||
| 524 | Rufous-tailed Attila | Attila phoenicurus | ||
| 525 | Rufous Casiornis | Casiornis rufa | ||
| 526 | Sirystes | Sirystes sibilator | 3h | |
| 527 | Dusky-capped Flycatcher | Myiarchus tuberculifer | ||
| 528 | Swainson's Flycatcher | Myiarchus swainsoni | ||
| 529 | Short-crested Flycatcher | Myiarchus ferox | ||
| 530 | Brown-crested Flycatcher | Myiarchus tyrannulus | ||
| 531 | Great Kiskadee | Pitangus sulphuratus | 1 2 3 4 5 6 | |
| 532 | Boat-billed Flycatcher | Megarynchus pitangua | ||
| 533 | Social Flycatcher | Myiozetetes similis | 3 4 5 | |
| 534 | Three-striped Flycatcher | Conopias trivirgata | 2 4 | |
| 535 | Streaked Flycatcher | Myiodynastes maculatus | ||
| 536 | Piratic Flycatcher | Legatus leucophaius | ||
| 537 | Variegated Flycatcher | Empidonomus varius | ||
| 538 | Crowned Slaty Flycatcher | Griseotyrannus aurantioatrocristatus | ||
| 539 | Tropical Kingbird | Tyrannus melancholicus | ||
| 540 | Eastern Kingbird | Tyrannus tyrannus | ||
| 541 | Fork-tailed Flycatcher | Tyrannus savana | ||
| 542 | White-naped Xenopsaris | Xenopsaris albinucha | ||
| 543 | Chestnut-crowned Becard | Pachyramphus castaneus | ||
| 544 | Green-backed Becard | Pachyramphus viridis | ||
| 545 | White-winged Becard | Pachyramphus polychopterus | ||
| 546 | Crested Becard | Pachyramphus validus | ||
| 547 | Black-tailed Tityra | Tityra cayana | 2 | |
| 548 | Black-crowned Tityra | Tityra inquisitor | ||
| 549 | Brown-chested Martin | Progne tapera | ||
| 550 | Purple Martin | Progne subis | ||
| 551 | Gray-breasted Martin | Progne chalybea | 4 5 | |
| 552 | Southern Martin | Progne elegans | ||
| 553 | White-winged Swallow | Tachycineta albiventer | 5? | |
| 554 | White-rumped Swallow | Tachycineta leucorrhoa | 5 6 | |
| 555 | Chilean Swallow | Tachycineta meyeni | ||
| 556 | Blue-and-white Swallow | Notiochelidon cyanoleuca | ||
| 557 | Black-collared Swallow | Atticora melanoleuca | ||
| 558 | Tawny-headed Swallow | Alopochelidon fucata | 5 | |
| 559 | Southern Rough-winged Swallow | Stelgidopteryx ruficollis | ||
| 560 | Bank Swallow | Riparia riparia | ||
| 561 | Cliff Swallow | Petrochelidon pyrrhonota | ||
| 562 | Barn Swallow | Hirundo rustica | ||
| 563 | Correndera Pipit | Anthus correndera | ||
| 564 | Short-billed Pipit | Anthus furcatus | ||
| 565 | Yellowish Pipit | Anthus lutescens | 1 3 5h 6h | |
| 566 | Chaco Pipit | Anthus chacoensis | ||
| 567 | Ochre-breasted Pipit | Anthus nattereri | Vulnerable | |
| 568 | Black-capped Donacobius | Donacobius atricapilla | ||
| 569 | Thrush-like Wren | Campylorhynchus turdinus | 4 | |
| 570 | Fawn-breasted Wren | Thryothorus guarayanus | ||
| 571 | House Wren | Troglodytes aedon | 2 3 4 5 6 | |
| 572 | Sedge Wren | Cistothorus platensis | ||
| 573 | Chalk-browed Mockingbird | Mimus saturninus | 2 3 5 6 | |
| 574 | White-banded Mockingbird | Mimus triurus | 1 6 | |
| 575 | Swainson's Thrush | Catharus ustulatus | ||
| 576 | Yellow-legged Thrush | Platycichla flavipes | ||
| 577 | Eastern Slaty-Thrush | Turdus subalaris | Rare/Accidental | |
| 578 | Rufous-bellied Thrush | Turdus rufiventris | 3 5 6 | |
| 579 | Pale-breasted Thrush | Turdus leucomelas | 2 3 | |
| 580 | Creamy-bellied Thrush | Turdus amaurochalinus | 2 3 5 6 | |
| 581 | White-necked Thrush | Turdus albicollis | ||
| 582 | Creamy-bellied Gnatcatcher | Polioptila lactea | Near-threatened | 3 |
| 583 | Masked Gnatcatcher | Polioptila dumicola | 4 5 6 | |
| 584 | Purplish Jay | Cyanocorax cyanomelas | 2 | |
| 585 | Azure Jay | Cyanocorax caeruleus | Near-threatened | |
| 586 | Curl-crested Jay | Cyanocorax cristatellus | 2 | |
| 587 | Plush-crested Jay | Cyanocorax chrysops | 2 3 4 5 6 | |
| 588 | Red-eyed Vireo | Vireo olivaceus | ||
| 589 | Rufous-crowned Greenlet | Hylophilus poicilotis | ||
| 590 | Rufous-browed Peppershrike | Cyclarhis gujanensis | 1 3 4 6 | |
| 591 | Tropical Parula | Parula pitiayumi | 3 5 6 | |
| 592 | Masked Yellowthroat | Geothlypis aequinoctialis | 4 | |
| 593 | Golden-crowned Warbler | Basileuterus culicivorus | 2 3 4 | |
| 594 | White-bellied Warbler | Basileuterus hypoleucus | ||
| 595 | White-rimmed Warbler | Basileuterus leucoblepharus | 3 | |
| 596 | Flavescent Warbler | Basileuterus flaveolus | ||
| 597 | Neotropical River Warbler | Basileuterus rivularis | ||
| 598 | Bananaquit | Coereba flaveola | ||
| 599 | Chestnut-vented Conebill | Conirostrum speciosum | 3 4 | |
| 600 | Black-faced Tanager | Schistochlamys melanopis | ||
| 601 | White-banded Tanager | Neothraupis fasciata | Near-threatened | 2 |
| 602 | White-rumped Tanager | Cypsnagra hirundinacea | ||
| 603 | Magpie Tanager | Cissopis leveriana | 2 | |
| 604 | Chestnut-headed Tanager | Pyrrhocoma ruficeps | 3 | |
| 605 | Orange-headed Tanager | Thlypopsis sordida | ||
| 606 | Guira Tanager | Hemithraupis guira | 3 | |
| 607 | Hooded Tanager | Nemosia pileata | ||
| 608 | Gray-headed Tanager | Eucometis penicillata | ||
| 609 | Ruby-crowned Tanager | Tachyphonus coronatus | 4? | |
| 610 | White-lined Tanager | Tachyphonus rufus | 3? | |
| 611 | Black-goggled Tanager | Trichothraupis melanops | 2 3 | |
| 612 | Red-crowned Ant-Tanager | Habia rubica | 3 | |
| 613 | Hepatic Tanager | Piranga flava | 6 | |
| 614 | Silver-beaked Tanager | Ramphocelus carbo | ||
| 615 | Sayaca Tanager | Thraupis sayaca | 1 2 5 | |
| 616 | Blue-and-yellow Tanager | Thraupis bonariensis | 6? | |
| 617 | Palm Tanager | Thraupis palmarum | ||
| 618 | Diademed Tanager | Stephanophorus diadematus | ||
| 619 | Fawn-breasted Tanager | Pipraeidea melanonota | ||
| 620 | Purple-throated Euphonia | Euphonia chlorotica | ||
| 621 | Violaceous Euphonia | Euphonia violacea | 3 | |
| 622 | Thick-billed Euphonia | Euphonia laniirostris | ||
| 623 | Green-chinned Euphonia | Euphonia chalybea | Near-threatened | |
| 624 | Golden-rumped Euphonia | Euphonia cyanocephala | ||
| 625 | Chestnut-bellied Euphonia | Euphonia pectoralis | ||
| 626 | Blue-naped Chlorophonia | Chlorophonia cyanea | ||
| 627 | Green-headed Tanager | Tangara seledon | ||
| 628 | Red-necked Tanager | Tangara cyanocephala | ||
| 629 | Burnished-buff Tanager | Tangara cayana | 4? 5? | |
| 630 | Chestnut-backed Tanager | Tangara preciosa | ||
| 631 | Blue Dacnis | Dacnis cayana | ||
| 632 | Swallow-Tanager | Tersina viridis | ||
| 633 | Black-masked Finch | Coryphaspiza melanotis | Vulnerable | |
| 634 | Many-colored Chaco-Finch | Saltatricula multicolor | 6 | |
| 635 | Red-crested Finch | Coryphospingus cucullatus | 2 4 6 | |
| 636 | Black-crested Finch | Lophospingus pusillus | ||
| 637 | Long-tailed Reed-Finch | Donacospiza albifrons | ||
| 638 | Black-and-rufous Warbling-Finch | Poospiza nigrorufa | ||
| 639 | Red-rumped Warbling-Finch | Poospiza lateralis | ||
| 640 | Ringed Warbling-Finch | Poospiza torquata | 6 | |
| 641 | Black-capped Warbling-Finch | Poospiza melanoleuca | 5 6 | |
| 642 | Blue-black Grassquit | Volatinia jacarina | ||
| 643 | Buffy-fronted Seedeater | Sporophila frontalis | Vulnerable | |
| 644 | Temminck's Seedeater | Sporophila falcirostris | Vulnerable | |
| 645 | Plumbeous Seedeater | Sporophila plumbea | 2 | |
| 646 | Rusty-collared Seedeater | Sporophila collaris | 1 2? 5 | |
| 647 | Lined Seedeater | Sporophila lineola | ||
| 648 | Yellow-bellied Seedeater | Sporophila nigricollis | ||
| 649 | Double-collared Seedeater | Sporophila caerulescens | ||
| 650 | White-bellied Seedeater | Sporophila leucoptera | ||
| 651 | Capped Seedeater | Sporophila bouvreuil | ||
| 652 | Tawny-bellied Seedeater | Sporophila hypoxantha | ||
| 653 | Dark-throated Seedeater | Sporophila ruficollis | Near-threatened | |
| 654 | Marsh Seedeater | Sporophila palustris | Endangered | |
| 655 | Gray-and-chestnut Seedeater | Sporophila hypochroma | Near-threatened | |
| 656 | Chestnut Seedeater | Sporophila cinnamomea | Vulnerable | |
| 657 | Chestnut-bellied Seed-Finch | Oryzoborus angolensis | ||
| 658 | Blackish-blue Seedeater | Amaurospiza moesta | Near-threatened | |
| 659 | Sooty Grassquit | Tiaris fuliginosa | ||
| 660 | Uniform Finch | Haplospiza unicolor | ||
| 661 | Saffron Finch | Sicalis flaveola | 1 3 4 5 6 | |
| 662 | Grassland Yellow-Finch | Sicalis luteola | ||
| 663 | Wedge-tailed Grass-Finch | Emberizoides herbicola | 2 | |
| 664 | Lesser Grass-Finch | Emberizoides ypiranganus | ||
| 665 | Great Pampa-Finch | Embernagra platensis | 5 | |
| 666 | Yellow Cardinal | Gubernatrix cristata | Endangered | |
| 667 | Red-crested Cardinal | Paroaria coronata | 4 5 6 | |
| 668 | Yellow-billed Cardinal | Paroaria capitata | 1 5? | |
| 669 | Saffron-billed Sparrow | Arremon flavirostris | ||
| 670 | Stripe-capped Sparrow | Aimophila strigiceps | ||
| 671 | Grassland Sparrow | Ammodramus humeralis | 1 5? 6 | |
| 672 | Rufous-collared Sparrow | Zonotrichia capensis | 1h 2 4 5 6 | |
| 673 | Grayish Saltator | Saltator coerulescens | 5? | |
| 674 | Buff-throated Saltator | Saltator maximus | ||
| 675 | Black-throated Grosbeak | Saltator fuliginosus | ||
| 676 | Green-winged Saltator | Saltator similis | ||
| 677 | Golden-billed Saltator | Saltator aurantiirostris | 6 | |
| 678 | Thick-billed Saltator | Saltator maxillosus | ||
| 679 | Black-throated Saltator | Saltator atricollis | 2 | |
| 680 | Black-backed Grosbeak | Pheucticus aureoventris | ||
| 681 | Ultramarine Grosbeak | Cyanocompsa brissonii | 6 | |
| 682 | Glaucous-blue Grosbeak | Cyanoloxia glaucocaerulea | 4? | |
| 683 | Bobolink | Dolichonyx oryzivorus | ||
| 684 | Saffron-cowled Blackbird | Xanthopsar flavus | Vulnerable | |
| 685 | Yellow-winged Blackbird | Agelasticus thilius | ||
| 686 | Unicolored Blackbird | Agelasticus cyanopus | 1 5 6 | |
| 687 | Chestnut-capped Blackbird | Chrysomus ruficapillus | 6 | |
| 688 | White-browed Blackbird | Sturnella superciliaris | 1 3 6 | |
| 689 | Bay-winged Cowbird | Molothrus badius | 6 | |
| 690 | Screaming Cowbird | Molothrus rufoaxillaris | 3? 4? 6 | |
| 691 | Shiny Cowbird | Molothrus bonariensis | 1 6 | |
| 692 | Giant Cowbird | Molothrus oryzivorus | ||
| 693 | Epaulet Oriole | Icterus cayanensis | 4 6 | |
| 694 | Venezuelan Troupial | Icterus icterus | ||
| 695 | Red-rumped Cacique | Cacicus haemorrhous | 2 3 4 | |
| 696 | Golden-winged Cacique | Cacicus chrysopterus | 5 | |
| 697 | Solitary Cacique | Cacicus solitarius | 6 | |
| 698 | Crested Oropendola | Psarocolius decumanus | ||
| 699 | Yellow-rumped Marshbird | Pseudoleistes guirahuro | nr 3 5 | |
| 700 | Scarlet-headed Blackbird | Amblyramphus holosericeus | nr 3 4 5 | |
| 701 | Chopi Blackbird | Gnorimopsar chopi | 3 5 6 | |
| 702 | Campo Troupial | Icterus jamacaii | 6h | |
| 703 | Hooded Siskin | Carduelis magellanica | 1 4 | |
| 704 | House Sparrow | Passer domesticus | Introduced species | 1 3 4 5 6 |