Confused pairs
Incorrect answers between two species (undirected). With a country selected, only mix-ups from games in that country are counted, and only pairs where both species are on that country's checklist are shown.
| Species A (lower id) | Species B (higher id) | Total wrong | A was target → picked B | B was target → picked A |
|---|---|---|---|---|
| Andean Tinamou Nothoprocta pentlandii | Spotted Nothura Nothura maculosa | 4 | 3 | 1 |
| Brushland Tinamou Nothoprocta cinerascens | Andean Tinamou Nothoprocta pentlandii | 4 | 3 | 1 |
| Southern Giant-Petrel Macronectes giganteus | Northern Giant-Petrel Macronectes halli | 3 | 1 | 2 |
| Eared Pygmy-Tyrant Myiornis auricularis | Drab-breasted Pygmy-Tyrant Hemitriccus diops | 3 | 2 | 1 |
| Great Shrike-Tyrant Agriornis lividus | Grey-bellied Shrike-Tyrant Agriornis micropterus | 3 | 0 | 3 |
| Olrog's Gull Larus atlanticus | Kelp Gull Larus dominicanus | 3 | 2 | 1 |
| Sao Paulo Bristle-Tyrant Pogonotriccus paulista | Mottle-cheeked Tyrannulet Phylloscartes ventralis | 3 | 0 | 3 |
| Huayco Tinamou Rhynchotus maculicollis | Brushland Tinamou Nothoprocta cinerascens | 3 | 0 | 3 |
| Red-winged Tinamou Rhynchotus rufescens | Huayco Tinamou Rhynchotus maculicollis | 3 | 1 | 2 |
| Band-winged Nightjar Systellura longirostris | Common Pauraque Nyctidromus albicollis | 3 | 2 | 1 |
| Pale-crested Woodpecker Celeus lugubris | Blond-crested Woodpecker Celeus flavescens | 3 | 1 | 2 |
| Giant Coot Fulica gigantea | Red-gartered Coot Fulica armillata | 3 | 1 | 2 |
| Fire-eyed Diucon Pyrope pyrope | Grey Monjita Nengetus cinereus | 3 | 1 | 2 |
| Spotted Nothura Nothura maculosa | Least Seedsnipe Thinocorus rumicivorus | 2 | 1 | 1 |
| Cinnamon Flycatcher Pyrrhomyias cinnamomeus | Cliff Flycatcher Hirundinea ferruginea | 2 | 1 | 1 |
| Hepatic Tanager Piranga flava | Red-crowned Ant-Tanager Habia rubica | 2 | 0 | 2 |
| Rothschild's Swift Cypseloides rothschildi | Sooty Swift Cypseloides fumigatus | 2 | 2 | 0 |
| White-throated Caracara Daptrius albogularis | Striated Caracara Daptrius australis | 2 | 1 | 1 |
| Scribble-tailed Canastero Asthenes maculicauda | Streak-backed Canastero Asthenes wyatti | 2 | 2 | 0 |
| Swallow Tanager Tersina viridis | Blue Dacnis Dacnis cayana | 2 | 2 | 0 |
| Dinelli's Doradito Pseudocolopteryx dinelliana | Ticking Doradito Pseudocolopteryx citreola | 2 | 0 | 2 |
| Vinaceous-breasted Amazon Amazona vinacea | Tucuman Amazon Amazona tucumana | 2 | 1 | 1 |
| Red-faced Guan Penelope dabbenei | Yungas Guan Penelope bridgesi | 2 | 0 | 2 |
| Blue-crowned Trogon Trogon curucui | Surucua Trogon Trogon surrucura | 2 | 0 | 2 |
| Greenish Tyrannulet Phyllomyias virescens | Sclater's Tyrannulet Phyllomyias sclateri | 2 | 2 | 0 |
| Dusky-legged Guan Penelope obscura | Yungas Guan Penelope bridgesi | 2 | 1 | 1 |
| White-tipped Swift Aeronautes montivagus | Andean Swift Aeronautes andecolus | 2 | 1 | 1 |
| Long-tailed Reed Finch Donacospiza albifrons | Rufous-sided Warbling Finch Poospizopsis hypochondria | 2 | 1 | 1 |
| Upland Goose Chloephaga picta | Kelp Goose Chloephaga hybrida | 2 | 0 | 2 |
| Patagonian Mockingbird Mimus patagonicus | Chalk-browed Mockingbird Mimus saturninus | 2 | 0 | 2 |
| Wedge-tailed Hillstar Oreotrochilus adela | Blue-capped Puffleg Eriocnemis glaucopoides | 2 | 0 | 2 |
| White-spotted Woodpecker Veniliornis spilogaster | Little Woodpecker Veniliornis passerinus | 2 | 2 | 0 |
| Greenish Yellow-Finch Sicalis olivascens | Monte Yellow-Finch Sicalis mendozae | 2 | 1 | 1 |
| Northern Royal Albatross Diomedea sanfordi | Southern Royal Albatross Diomedea epomophora | 2 | 0 | 2 |
| Fuegian Snipe Gallinago stricklandii | Pantanal Snipe Gallinago paraguaiae | 2 | 1 | 1 |
| Saffron Finch Sicalis flaveola | Grassland Yellow-Finch Sicalis luteola | 2 | 1 | 1 |
| White-banded Mockingbird Mimus triurus | Brown-backed Mockingbird Mimus dorsalis | 2 | 2 | 0 |
| Great Pampa-Finch Embernagra platensis | Lined Seedeater Sporophila lineola | 2 | 1 | 1 |
| White-bellied Seedeater Sporophila leucoptera | Pearly-bellied Seedeater Sporophila pileata | 2 | 2 | 0 |
| Scale-throated Earthcreeper Upucerthia dumetaria | Buff-breasted Earthcreeper Upucerthia validirostris | 2 | 0 | 2 |
| Ochre-naped Ground-Tyrant Muscisaxicola flavinucha | Rufous-naped Ground-Tyrant Muscisaxicola rufivertex | 2 | 0 | 2 |
| Dark-faced Ground-Tyrant Muscisaxicola maclovianus | Cinnamon-bellied Ground-Tyrant Muscisaxicola capistratus | 2 | 0 | 2 |
| Snowy Albatross Diomedea exulans | Tristan Albatross Diomedea dabbenena | 2 | 2 | 0 |
| Crested Becard Pachyramphus validus | Black-capped Piprites Piprites pileata | 2 | 2 | 0 |
| Chaco Sparrow Rhynchospiza strigiceps | Grassland Sparrow Ammodramus humeralis | 2 | 1 | 1 |
| Black-bodied Woodpecker Dryocopus schulzii | Helmeted Woodpecker Celeus galeatus | 2 | 1 | 1 |
| Puna Snipe Gallinago andina | Magellanic Snipe Gallinago magellanica | 2 | 1 | 1 |
| Crane Hawk Geranospiza caerulescens | Great Black Hawk Buteogallus urubitinga | 2 | 1 | 1 |
| White-browed Meadowlark Leistes superciliaris | Pampas Meadowlark Leistes defilippii | 2 | 0 | 2 |
| Masked Duck Nomonyx dominicus | Andean Duck Oxyura ferruginea | 2 | 0 | 2 |
| Bay-ringed Tyrannulet Phylloscartes sylviolus | Drab-breasted Pygmy-Tyrant Hemitriccus diops | 2 | 2 | 0 |
| Patagonian Tyrant Colorhamphus parvirostris | d'Orbigny's Chat-Tyrant Ochthoeca oenanthoides | 2 | 1 | 1 |
| Short-tailed Antthrush Chamaeza campanisona | Rufous-tailed Antthrush Chamaeza ruficauda | 2 | 1 | 1 |
| Austral Blackbird Curaeus curaeus | Chopi Blackbird Gnorimopsar chopi | 2 | 2 | 0 |
| Swainson's Flycatcher Myiarchus swainsoni | Short-crested Flycatcher Myiarchus ferox | 2 | 0 | 2 |
| Wedge-tailed Hillstar Oreotrochilus adela | Giant Hummingbird Patagona gigas | 1 | 1 | 0 |
| Blue-capped Puffleg Eriocnemis glaucopoides | Blue-tufted Starthroat Heliomaster furcifer | 1 | 0 | 1 |
| Blue-tufted Starthroat Heliomaster furcifer | Slender-tailed Woodstar Microstilbon burmeisteri | 1 | 0 | 1 |
| Blue-tufted Starthroat Heliomaster furcifer | Glittering-bellied Emerald Chlorostilbon lucidus | 1 | 1 | 0 |
| Slender-tailed Woodstar Microstilbon burmeisteri | Violet-capped Woodnymph Thalurania glaucopis | 1 | 1 | 0 |
| Fork-tailed Woodnymph Thalurania furcata | Swallow-tailed Hummingbird Eupetomena macroura | 1 | 0 | 1 |
| Fork-tailed Woodnymph Thalurania furcata | Versicoloured Emerald Chrysuronia versicolor | 1 | 1 | 0 |
| Versicoloured Emerald Chrysuronia versicolor | White-bellied Hummingbird Elliotomyia chionogaster | 1 | 1 | 0 |
| Giant Wood-Rail Aramides ypecaha | Grey-cowled Wood-Rail Aramides cajaneus | 1 | 0 | 1 |
| Giant Wood-Rail Aramides ypecaha | Slaty-breasted Wood-Rail Aramides saracura | 1 | 0 | 1 |
| Grey-cowled Wood-Rail Aramides cajaneus | Slaty-breasted Wood-Rail Aramides saracura | 1 | 0 | 1 |
| Spot-flanked Gallinule Porphyriops melanops | Dot-winged Crake Laterallus spiloptera | 1 | 0 | 1 |
| Dot-winged Crake Laterallus spiloptera | Red-fronted Coot Fulica rufifrons | 1 | 0 | 1 |
| Giant Coot Fulica gigantea | White-winged Coot Fulica leucoptera | 1 | 1 | 0 |
| Slate-coloured Coot Fulica ardesiaca | White-winged Coot Fulica leucoptera | 1 | 0 | 1 |
| Ocellated Crake Rufirallus schomburgkii | Red-and-white Crake Rufirallus leucopyrrhus | 1 | 1 | 0 |
| Rufous-sided Crake Laterallus melanophaius | Red-and-white Crake Rufirallus leucopyrrhus | 1 | 0 | 1 |
| American Oystercatcher Haematopus palliatus | Magellanic Oystercatcher Haematopus leucopodus | 1 | 0 | 1 |
| Grey Plover Pluvialis squatarola | American Golden Plover Pluvialis dominica | 1 | 0 | 1 |
| American Golden Plover Pluvialis dominica | Diademed Sandpiper-Plover Phegornis mitchellii | 1 | 1 | 0 |
| Tawny-throated Dotterel Oreopholus ruficollis | Rufous-chested Dotterel Zonibyx modestus | 1 | 1 | 0 |
| Tawny-throated Dotterel Oreopholus ruficollis | Whistling Heron Syrigma sibilatrix | 1 | 1 | 0 |
| Tawny-throated Dotterel Oreopholus ruficollis | Western Cattle-Egret Ardea ibis | 1 | 1 | 0 |
| Southern Lapwing Vanellus chilensis | Andean Lapwing Vanellus resplendens | 1 | 0 | 1 |
| Puna Plover Anarhynchus alticola | White-bellied Seedsnipe Attagis malouinus | 1 | 1 | 0 |
| Puna Plover Anarhynchus alticola | Snowy Egret Egretta thula | 1 | 1 | 0 |
| Puna Snipe Gallinago andina | Pantanal Snipe Gallinago paraguaiae | 1 | 1 | 0 |
| Pantanal Snipe Gallinago paraguaiae | Buff-winged Cinclodes Cinclodes fuscus | 1 | 1 | 0 |
| Wilson's Phalarope Phalaropus tricolor | Grey Phalarope Phalaropus fulicarius | 1 | 0 | 1 |
| Solitary Sandpiper Tringa solitaria | Lesser Yellowlegs Tringa flavipes | 1 | 0 | 1 |
| Lesser Yellowlegs Tringa flavipes | Greater Yellowlegs Tringa melanoleuca | 1 | 1 | 0 |
| Red Knot Calidris canutus | Surfbird Calidris virgata | 1 | 1 | 0 |
| Surfbird Calidris virgata | Baird's Sandpiper Calidris bairdii | 1 | 1 | 0 |
| Long-tailed Skua Stercorarius longicaudus | Pomarine Skua Stercorarius pomarinus | 1 | 1 | 0 |
| Brown Skua Stercorarius antarcticus | South Polar Skua Stercorarius maccormicki | 1 | 1 | 0 |
| Dolphin Gull Leucophaeus scoresbii | Olrog's Gull Larus atlanticus | 1 | 1 | 0 |
| Yellow-billed Tern Sternula superciliaris | Large-billed Tern Phaetusa simplex | 1 | 0 | 1 |
| Arctic Tern Sterna paradisaea | South American Tern Sterna hirundinacea | 1 | 0 | 1 |
| Arctic Tern Sterna paradisaea | Common Tern Sterna hirundo | 1 | 0 | 1 |
| Gentoo Penguin Pygoscelis papua | Southern Rockhopper Penguin Eudyptes chrysocome | 1 | 0 | 1 |
| Southern Royal Albatross Diomedea epomophora | Snowy Albatross Diomedea exulans | 1 | 0 | 1 |
| Snowy Albatross Diomedea exulans | Light-mantled Albatross Phoebetria palpebrata | 1 | 1 | 0 |
| Tristan Albatross Diomedea dabbenena | Light-mantled Albatross Phoebetria palpebrata | 1 | 0 | 1 |
| Antipodean Albatross Diomedea antipodensis | Light-mantled Albatross Phoebetria palpebrata | 1 | 1 | 0 |
| Wilson's Storm-Petrel Oceanites oceanicus | Grey-backed Storm-Petrel Garrodia nereis | 1 | 1 | 0 |
| Blue Petrel Halobaena caerulea | Slender-billed Prion Pachyptila belcheri | 1 | 0 | 1 |
| Jabiru Jabiru mycteria | Wood Stork Mycteria americana | 1 | 0 | 1 |
| Red-legged Cormorant Poikilocarbo gaimardi | Magellanic Cormorant Leucocarbo magellanicus | 1 | 1 | 0 |
| Rufescent Tiger-Heron Tigrisoma lineatum | Fasciated Tiger-Heron Tigrisoma fasciatum | 1 | 0 | 1 |
| White-faced Ibis Plegadis chihi | Puna Ibis Plegadis ridgwayi | 1 | 1 | 0 |
| White-faced Ibis Plegadis chihi | Mourning Sierra Finch Rhopospina fruticeti | 1 | 0 | 1 |
| Puna Ibis Plegadis ridgwayi | Green Ibis Mesembrinibis cayennensis | 1 | 1 | 0 |
| Puna Ibis Plegadis ridgwayi | Bare-faced Ibis Phimosus infuscatus | 1 | 1 | 0 |
| Green Ibis Mesembrinibis cayennensis | Plumbeous Ibis Theristicus caerulescens | 1 | 0 | 1 |
| Buff-necked Ibis Theristicus caudatus | Black-faced Ibis Theristicus melanopis | 1 | 0 | 1 |
| Andean Condor Vultur gryphus | Striated Caracara Daptrius australis | 1 | 1 | 0 |
| Pearl Kite Gampsonyx swainsonii | White-tailed Kite Elanus leucurus | 1 | 0 | 1 |
| White-tailed Kite Elanus leucurus | Swallow-tailed Kite Elanoides forficatus | 1 | 0 | 1 |
| Hook-billed Kite Chondrohierax uncinatus | Grey-headed Kite Leptodon cayanensis | 1 | 1 | 0 |
| Tiny Hawk Microspizias superciliosus | Rufous-thighed Kite Harpagus diodon | 1 | 0 | 1 |
| Long-winged Harrier Circus buffoni | Cinereous Harrier Circus cinereus | 1 | 0 | 1 |
| Sharp-shinned Hawk Accipiter striatus | Chilean Hawk Astur chilensis | 1 | 0 | 1 |
| White-tailed Hawk Geranoaetus albicaudatus | Black-chested Buzzard-Eagle Geranoaetus melanoleucus | 1 | 1 | 0 |
| Black-chested Buzzard-Eagle Geranoaetus melanoleucus | Broad-winged Hawk Buteo platypterus | 1 | 1 | 0 |
| Tropical Screech-Owl Megascops choliba | Montane Forest Screech-Owl Megascops hoyi | 1 | 0 | 1 |
| Spectacled Owl Pulsatrix perspicillata | Tawny-browed Owl Pulsatrix koeniswaldiana | 1 | 0 | 1 |
| Great Horned Owl Bubo virginianus | Lesser Horned Owl Bubo magellanicus | 1 | 1 | 0 |
| Yungas Pygmy-Owl Glaucidium bolivianum | Ferruginous Pygmy-Owl Glaucidium brasilianum | 1 | 1 | 0 |
| Yungas Pygmy-Owl Glaucidium bolivianum | Austral Pygmy-Owl Glaucidium nana | 1 | 0 | 1 |
| Burrowing Owl Athene cunicularia | Mottled Owl Strix virgata | 1 | 0 | 1 |
| Mottled Owl Strix virgata | Rusty-barred Owl Strix hylophila | 1 | 1 | 0 |
| Blue-crowned Trogon Trogon curucui | Amazonian Motmot Momotus momota | 1 | 1 | 0 |
| Amazon Kingfisher Chloroceryle amazona | Green Kingfisher Chloroceryle americana | 1 | 0 | 1 |
| Buff-bellied Puffbird Notharchus swainsoni | White-eared Puffbird Nystalus chacuru | 1 | 1 | 0 |
| Toco Toucan Ramphastos toco | Red-breasted Toucan Ramphastos dicolorus | 1 | 0 | 1 |
| White-barred Piculet Picumnus cirratus | Mottled Piculet Picumnus nebulosus | 1 | 1 | 0 |
| White-spotted Woodpecker Veniliornis spilogaster | Striped Woodpecker Veniliornis lignarius | 1 | 1 | 0 |
| Checkered Woodpecker Veniliornis mixtus | Little Woodpecker Veniliornis passerinus | 1 | 0 | 1 |
| Striped Woodpecker Veniliornis lignarius | Little Woodpecker Veniliornis passerinus | 1 | 1 | 0 |
| Robust Woodpecker Campephilus robustus | Lineated Woodpecker Dryocopus lineatus | 1 | 1 | 0 |
| Cream-backed Woodpecker Campephilus leucopogon | Black-bodied Woodpecker Dryocopus schulzii | 1 | 1 | 0 |
| Golden-green Woodpecker Piculus chrysochloros | White-browed Woodpecker Piculus aurulentus | 1 | 1 | 0 |
| White-browed Woodpecker Piculus aurulentus | Golden-olive Woodpecker Colaptes rubiginosus | 1 | 0 | 1 |
| Chilean Flicker Colaptes pitius | Campo Flicker Colaptes campestris | 1 | 0 | 1 |
| Barred Forest-Falcon Micrastur ruficollis | Spot-winged Falconet Spiziapteryx circumcincta | 1 | 0 | 1 |
| Yellow-headed Caracara Daptrius chimachima | Chimango Caracara Daptrius chimango | 1 | 0 | 1 |
| Yellow-headed Caracara Daptrius chimachima | White-throated Caracara Daptrius albogularis | 1 | 1 | 0 |
| Chimango Caracara Daptrius chimango | Cliff Swallow Petrochelidon pyrrhonota | 1 | 1 | 0 |
| Mountain Caracara Daptrius megalopterus | Striated Caracara Daptrius australis | 1 | 0 | 1 |
| Aplomado Falcon Falco femoralis | Orange-breasted Falcon Falco deiroleucus | 1 | 0 | 1 |
| Pileated Parrot Pionopsitta pileata | Tucuman Amazon Amazona tucumana | 1 | 1 | 0 |
| Green-cheeked Parakeet Pyrrhura molinae | Austral Parakeet Enicognathus ferrugineus | 1 | 1 | 0 |
| Austral Parakeet Enicognathus ferrugineus | Burrowing Parakeet Cyanoliseus patagonus | 1 | 1 | 0 |
| Yellow-collared Macaw Primolius auricollis | Military Macaw Ara militaris | 1 | 1 | 0 |
| Yellow-collared Macaw Primolius auricollis | Blue-crowned Parakeet Thectocercus acuticaudatus | 1 | 0 | 1 |
| Blue-crowned Parakeet Thectocercus acuticaudatus | White-eyed Parakeet Psittacara leucophthalmus | 1 | 1 | 0 |
| Mitred Parakeet Psittacara mitratus | White-eyed Parakeet Psittacara leucophthalmus | 1 | 0 | 1 |
| Giant Antshrike Batara cinerea | Great Antshrike Taraba major | 1 | 1 | 0 |
| Large-tailed Antshrike Mackenziaena leachii | Great Antshrike Taraba major | 1 | 0 | 1 |
| White-bearded Antshrike Biatas nigropectus | Black-backed Water-Tyrant Fluvicola albiventer | 1 | 0 | 1 |
| Barred Antshrike Thamnophilus doliatus | Plain Antvireo Dysithamnus mentalis | 1 | 1 | 0 |
| Variable Antshrike Thamnophilus caerulescens | Black-capped Antwren Herpsilochmus atricapillus | 1 | 1 | 0 |
| Plain Antvireo Dysithamnus mentalis | Black-capped Antwren Herpsilochmus atricapillus | 1 | 1 | 0 |
| Rufous-margined Antwren Herpsilochmus rufimarginatus | Bertoni's Antbird Drymophila rubricollis | 1 | 0 | 1 |
| Bertoni's Antbird Drymophila rubricollis | Streak-capped Antwren Terenura maculata | 1 | 0 | 1 |
| White-shouldered Fire-eye Pyriglena leucoptera | Blue-billed Black-Tyrant Knipolegus cyanirostris | 1 | 1 | 0 |
| Variegated Antpitta Grallaria varia | White-throated Antpitta Grallaria albigula | 1 | 1 | 0 |
| White-throated Antpitta Grallaria albigula | Speckle-breasted Antpitta Cryptopezus nattereri | 1 | 0 | 1 |
| White-throated Antpitta Grallaria albigula | Chestnut-throated Huet-huet Pteroptochos castaneus | 1 | 0 | 1 |
| Speckle-breasted Antpitta Cryptopezus nattereri | Black-throated Huet-huet Pteroptochos tarnii | 1 | 0 | 1 |
| Spotted Bamboowren Psilorhamphus guttatus | Planalto Tapaculo Scytalopus pachecoi | 1 | 1 | 0 |
| Magellanic Tapaculo Scytalopus magellanicus | Zimmer's Tapaculo Scytalopus zimmeri | 1 | 0 | 1 |
| Common Miner Geositta cunicularia | Puna Miner Geositta punensis | 1 | 0 | 1 |
| Common Miner Geositta cunicularia | Rufous-banded Miner Geositta rufipennis | 1 | 0 | 1 |
| Creamy-rumped Miner Geositta isabellina | Plain-winged Woodcreeper Dendrocincla turdina | 1 | 1 | 0 |
| Olivaceous Woodcreeper Sittasomus griseicapillus | Plain-winged Woodcreeper Dendrocincla turdina | 1 | 1 | 0 |
| Plain-winged Woodcreeper Dendrocincla turdina | Black-banded Woodcreeper Dendrocolaptes picumnus | 1 | 0 | 1 |
| Plain-winged Woodcreeper Dendrocincla turdina | Planalto Woodcreeper Dendrocolaptes platyrostris | 1 | 1 | 0 |
| Black-banded Woodcreeper Dendrocolaptes picumnus | Great Rufous Woodcreeper Xiphocolaptes major | 1 | 1 | 0 |
| Planalto Woodcreeper Dendrocolaptes platyrostris | Lesser Woodcreeper Xiphorhynchus fuscus | 1 | 1 | 0 |
| Red-billed Scythebill Campylorhamphus trochilirostris | Scimitar-billed Woodcreeper Drymornis bridgesii | 1 | 1 | 0 |
| Black-billed Scythebill Campylorhamphus falcularius | Scimitar-billed Woodcreeper Drymornis bridgesii | 1 | 0 | 1 |
| Narrow-billed Woodcreeper Lepidocolaptes angustirostris | Plain Xenops Xenops minutus | 1 | 0 | 1 |
| Narrow-billed Woodcreeper Lepidocolaptes angustirostris | Bay-capped Wren-Spinetail Spartonoica maluroides | 1 | 0 | 1 |
| Rock Earthcreeper Ochetorhynchus andaecola | Straight-billed Earthcreeper Ochetorhynchus ruficaudus | 1 | 0 | 1 |
| Band-tailed Earthcreeper Ochetorhynchus phoenicurus | Chaco Earthcreeper Tarphonomus certhioides | 1 | 1 | 0 |
| Chaco Earthcreeper Tarphonomus certhioides | Sharp-tailed Streamcreeper Lochmias nematura | 1 | 1 | 0 |
| Rufous Hornero Furnarius rufus | Red-crested Cardinal Paroaria coronata | 1 | 1 | 0 |
| Rufous Hornero Furnarius rufus | Great Pampa-Finch Embernagra platensis | 1 | 0 | 1 |
| Cordoba Cinclodes Cinclodes comechingonus | Olrog's Cinclodes Cinclodes olrogi | 1 | 0 | 1 |
| Cordoba Cinclodes Cinclodes comechingonus | Grey-flanked Cinclodes Cinclodes oustaleti | 1 | 1 | 0 |
| Olrog's Cinclodes Cinclodes olrogi | White-winged Cinclodes Cinclodes atacamensis | 1 | 1 | 0 |
| Grey-flanked Cinclodes Cinclodes oustaleti | Dark-bellied Cinclodes Cinclodes patagonicus | 1 | 1 | 0 |
| Grey-flanked Cinclodes Cinclodes oustaleti | Black-and-rufous Warbling Finch Poospiza nigrorufa | 1 | 0 | 1 |
| Canebrake Groundcreeper Clibanornis dendrocolaptoides | Grassland Yellow-Finch Sicalis luteola | 1 | 0 | 1 |
| Thorn-tailed Rayadito Aphrastura spinicauda | Rufous-sided Warbling Finch Poospizopsis hypochondria | 1 | 0 | 1 |
| Tawny Tit-Spinetail Sylviorthorhynchus yanacensis | Brown-capped Tit-Spinetail Leptasthenura fuliginiceps | 1 | 1 | 0 |
| Tufted Tit-Spinetail Leptasthenura platensis | Araucaria Tit-Spinetail Leptasthenura setaria | 1 | 0 | 1 |
| Streak-fronted Thornbird Phacellodomus striaticeps | Spot-breasted Thornbird Phacellodomus maculipectus | 1 | 1 | 0 |
| Short-billed Canastero Asthenes baeri | Austral Canastero Asthenes anthoides | 1 | 1 | 0 |
| Short-billed Canastero Asthenes baeri | Scribble-tailed Canastero Asthenes maculicauda | 1 | 1 | 0 |
| Austral Canastero Asthenes anthoides | Scribble-tailed Canastero Asthenes maculicauda | 1 | 0 | 1 |
| Austral Canastero Asthenes anthoides | Streak-backed Canastero Asthenes wyatti | 1 | 0 | 1 |
| Streak-backed Canastero Asthenes wyatti | Cordilleran Canastero Asthenes modesta | 1 | 0 | 1 |
| Streak-backed Canastero Asthenes wyatti | Sharp-billed Canastero Asthenes pyrrholeuca | 1 | 1 | 0 |
| Streak-backed Canastero Asthenes wyatti | Maquis Canastero Asthenes heterura | 1 | 1 | 0 |
| Cordilleran Canastero Asthenes modesta | Southern Beardless-Tyrannulet Camptostoma obsoletum | 1 | 1 | 0 |
| Sulphur-bearded Reedhaunter Limnoctites sulphuriferus | Olive Spinetail Cranioleuca obsoleta | 1 | 1 | 0 |
| Stripe-crowned Spinetail Cranioleuca pyrrhophia | Swainson's Thrush Catharus ustulatus | 1 | 1 | 0 |
| Patagonian Canastero Pseudasthenes patagonica | Bay-capped Wren-Spinetail Spartonoica maluroides | 1 | 0 | 1 |
| Bay-capped Wren-Spinetail Spartonoica maluroides | White-throated Cacholote Pseudoseisura gutturalis | 1 | 1 | 0 |
| Yellow-chinned Spinetail Certhiaxis cinnamomeus | Chotoy Spinetail Schoeniophylax phryganophilus | 1 | 0 | 1 |
| Grey-bellied Spinetail Synallaxis cinerascens | Spix's Spinetail Synallaxis spixi | 1 | 0 | 1 |
| Rufous-capped Spinetail Synallaxis ruficapilla | Spix's Spinetail Synallaxis spixi | 1 | 0 | 1 |
| Rufous-capped Spinetail Synallaxis ruficapilla | Pale-breasted Spinetail Synallaxis albescens | 1 | 0 | 1 |
| Sooty-fronted Spinetail Synallaxis frontalis | Azara's Spinetail Synallaxis azarae | 1 | 0 | 1 |
| Yungas Manakin Chiroxiphia boliviana | Swallow-tailed Manakin Chiroxiphia caudata | 1 | 1 | 0 |
| Rufous-tailed Plantcutter Phytotoma rara | White-tailed Shrike-Tyrant Agriornis albicauda | 1 | 0 | 1 |
| Swallow-tailed Cotinga Phibalura flavirostris | Bare-throated Bellbird Procnias nudicollis | 1 | 0 | 1 |
| Red-ruffed Fruitcrow Pyroderus scutatus | Bare-throated Bellbird Procnias nudicollis | 1 | 1 | 0 |
| Wing-barred Piprites Piprites chloris | Salinas Monjita Neoxolmis salinarum | 1 | 0 | 1 |
| Grey-hooded Flycatcher Mionectes rufiventris | Sepia-capped Flycatcher Leptopogon amaurocephalus | 1 | 1 | 0 |
| Sepia-capped Flycatcher Leptopogon amaurocephalus | Southern Bristle-Tyrant Pogonotriccus eximius | 1 | 0 | 1 |
| Sepia-capped Flycatcher Leptopogon amaurocephalus | Sao Paulo Bristle-Tyrant Pogonotriccus paulista | 1 | 1 | 0 |
| Sao Paulo Bristle-Tyrant Pogonotriccus paulista | Bay-ringed Tyrannulet Phylloscartes sylviolus | 1 | 1 | 0 |
| Mottle-cheeked Tyrannulet Phylloscartes ventralis | Greenish Elaenia Myiopagis viridicata | 1 | 1 | 0 |
| Southern Antpipit Corythopis delalandi | Drab-breasted Pygmy-Tyrant Hemitriccus diops | 1 | 0 | 1 |
| Brown-breasted Pygmy-Tyrant Hemitriccus obsoletus | Yellow-olive Flatbill Tolmomyias sulphurescens | 1 | 1 | 0 |
| Pearly-vented Tody-Tyrant Hemitriccus margaritaceiventer | Yellow-olive Flatbill Tolmomyias sulphurescens | 1 | 0 | 1 |
| Ochre-faced Tody-Flycatcher Poecilotriccus plumbeiceps | Yellow-olive Flatbill Tolmomyias sulphurescens | 1 | 0 | 1 |
| Cliff Flycatcher Hirundinea ferruginea | Brown-and-yellow Marshbird Pseudoleistes virescens | 1 | 1 | 0 |
| Southern Beardless-Tyrannulet Camptostoma obsoletum | Suiriri Flycatcher Suiriri suiriri | 1 | 1 | 0 |
| Southern Beardless-Tyrannulet Camptostoma obsoletum | Buff-banded Tyrannulet Mecocerculus hellmayri | 1 | 1 | 0 |
| Southern Mouse-coloured Tyrannulet Nesotriccus murinus | Greenish Elaenia Myiopagis viridicata | 1 | 0 | 1 |
| Dinelli's Doradito Pseudocolopteryx dinelliana | Warbling Doradito Pseudocolopteryx flaviventris | 1 | 1 | 0 |
| Large Elaenia Elaenia spectabilis | Olivaceous Elaenia Elaenia mesoleuca | 1 | 0 | 1 |
| White-crested Tyrannulet Serpophaga subcristata | Straneck's Tyrannulet Serpophaga griseicapilla | 1 | 1 | 0 |
| Straneck's Tyrannulet Serpophaga griseicapilla | Rough-legged Tyrannulet Acrochordopus burmeisteri | 1 | 0 | 1 |
| Sclater's Tyrannulet Phyllomyias sclateri | Planalto Tyrannulet Phyllomyias fasciatus | 1 | 0 | 1 |
| Sclater's Tyrannulet Phyllomyias sclateri | Fuscous Flycatcher Cnemotriccus fuscatus | 1 | 1 | 0 |
| Planalto Tyrannulet Phyllomyias fasciatus | Plain Tyrannulet Inezia inornata | 1 | 1 | 0 |
| Fulvous-crowned Scrub-Tyrant Euscarthmus meloryphus | Plain Tyrannulet Inezia inornata | 1 | 0 | 1 |
| Fulvous-crowned Scrub-Tyrant Euscarthmus meloryphus | Bran-coloured Flycatcher Myiophobus fasciatus | 1 | 0 | 1 |
| Blue-billed Black-Tyrant Knipolegus cyanirostris | Cinereous Tyrant Knipolegus striaticeps | 1 | 1 | 0 |
| Blue-billed Black-Tyrant Knipolegus cyanirostris | White-winged Black-Tyrant Knipolegus aterrimus | 1 | 0 | 1 |
| Blue-billed Black-Tyrant Knipolegus cyanirostris | Hudson's Black-Tyrant Knipolegus hudsoni | 1 | 1 | 0 |
| Cinereous Tyrant Knipolegus striaticeps | White-winged Black-Tyrant Knipolegus aterrimus | 1 | 0 | 1 |
| Hudson's Black-Tyrant Knipolegus hudsoni | Spectacled Tyrant Hymenops perspicillatus | 1 | 0 | 1 |
| White-browed Ground-Tyrant Muscisaxicola albilora | Black-fronted Ground-Tyrant Muscisaxicola frontalis | 1 | 0 | 1 |
| Cinnamon-bellied Ground-Tyrant Muscisaxicola capistratus | Black-fronted Ground-Tyrant Muscisaxicola frontalis | 1 | 1 | 0 |
| Rufous-webbed Bush-Tyrant Cnemarchus rufipennis | Grey Monjita Nengetus cinereus | 1 | 1 | 0 |
| Grey Monjita Nengetus cinereus | Black-crowned Monjita Neoxolmis coronatus | 1 | 0 | 1 |
| Salinas Monjita Neoxolmis salinarum | Rusty-backed Monjita Neoxolmis rubetra | 1 | 0 | 1 |
| Rusty-backed Monjita Neoxolmis rubetra | Chocolate-vented Tyrant Neoxolmis rufiventris | 1 | 0 | 1 |
| White-tailed Shrike-Tyrant Agriornis albicauda | Lesser Shrike-Tyrant Agriornis murinus | 1 | 1 | 0 |
| Great Shrike-Tyrant Agriornis lividus | Lesser Shrike-Tyrant Agriornis murinus | 1 | 1 | 0 |
| Great Shrike-Tyrant Agriornis lividus | Streak-throated Bush-Tyrant Myiotheretes striaticollis | 1 | 1 | 0 |
| Grey-bellied Shrike-Tyrant Agriornis micropterus | Lesser Shrike-Tyrant Agriornis murinus | 1 | 1 | 0 |
| Grey-bellied Shrike-Tyrant Agriornis micropterus | White-rumped Swallow Tachycineta leucorrhoa | 1 | 0 | 1 |
| Lesser Shrike-Tyrant Agriornis murinus | Hooded Tanager Nemosia pileata | 1 | 1 | 0 |
| Black-backed Water-Tyrant Fluvicola albiventer | Shear-tailed Grey Tyrant Muscipipra vetula | 1 | 0 | 1 |
| Streamer-tailed Tyrant Gubernetes yetapa | Strange-tailed Tyrant Alectrurus risora | 1 | 0 | 1 |
| Sibilant Sirystes Sirystes sibilator | Dusky-capped Flycatcher Myiarchus tuberculifer | 1 | 1 | 0 |
| Short-crested Flycatcher Myiarchus ferox | Brown-crested Flycatcher Myiarchus tyrannulus | 1 | 0 | 1 |
| Cattle Tyrant Machetornis rixosa | Plush-crested Jay Cyanocorax chrysops | 1 | 1 | 0 |
| Rusty-margined Flycatcher Myiozetetes cayanensis | Social Flycatcher Myiozetetes similis | 1 | 1 | 0 |
| Social Flycatcher Myiozetetes similis | Golden-crowned Flycatcher Myiodynastes chrysocephalus | 1 | 0 | 1 |
| Three-striped Flycatcher Conopias trivirgatus | Golden-crowned Flycatcher Myiodynastes chrysocephalus | 1 | 0 | 1 |
| Golden-crowned Flycatcher Myiodynastes chrysocephalus | Piratic Flycatcher Legatus leucophaius | 1 | 0 | 1 |
| Streaked Flycatcher Myiodynastes maculatus | Piratic Flycatcher Legatus leucophaius | 1 | 1 | 0 |
| Streaked Flycatcher Myiodynastes maculatus | Variegated Flycatcher Empidonomus varius | 1 | 1 | 0 |
| Fork-tailed Flycatcher Tyrannus savana | Barn Swallow Hirundo rustica | 1 | 0 | 1 |
| Rufous-browed Peppershrike Cyclarhis gujanensis | Rufous-crowned Greenlet Hylophilus poicilotis | 1 | 1 | 0 |
| Rufous-browed Peppershrike Cyclarhis gujanensis | Chivi Vireo Vireo chivi | 1 | 0 | 1 |
| Grey-breasted Martin Progne chalybea | Southern Rough-winged Swallow Stelgidopteryx ruficollis | 1 | 1 | 0 |
| Southern Martin Progne elegans | Southern Rough-winged Swallow Stelgidopteryx ruficollis | 1 | 1 | 0 |
| Southern Martin Progne elegans | Rufous-collared Sparrow Zonotrichia capensis | 1 | 1 | 0 |
| Masked Gnatcatcher Polioptila dumicola | Creamy-bellied Gnatcatcher Polioptila lactea | 1 | 1 | 0 |
| Grass Wren Cistothorus platensis | Blue-and-yellow Tanager Rauenia bonariensis | 1 | 0 | 1 |
| Thrush-like Wren Campylorhynchus turdinus | Patagonian Mockingbird Mimus patagonicus | 1 | 1 | 0 |
| Patagonian Mockingbird Mimus patagonicus | White-banded Mockingbird Mimus triurus | 1 | 1 | 0 |
| Patagonian Mockingbird Mimus patagonicus | Brown-backed Mockingbird Mimus dorsalis | 1 | 1 | 0 |
| Chalk-browed Mockingbird Mimus saturninus | Rufous-collared Sparrow Zonotrichia capensis | 1 | 0 | 1 |
| Chalk-browed Mockingbird Mimus saturninus | Great Pampa-Finch Embernagra platensis | 1 | 0 | 1 |
| Yellowish Pipit Anthus chii | Puna Pipit Anthus brevirostris | 1 | 1 | 0 |
| Short-billed Pipit Anthus furcatus | Pampas Pipit Anthus chacoensis | 1 | 1 | 0 |
| Correndera Pipit Anthus correndera | Hellmayr's Pipit Anthus hellmayri | 1 | 1 | 0 |
| Golden-rumped Euphonia Chlorophonia cyanocephala | Blue-naped Chlorophonia Chlorophonia cyanea | 1 | 1 | 0 |
| Hooded Siskin Spinus magellanicus | Yellow-rumped Siskin Spinus uropygialis | 1 | 0 | 1 |
| Hooded Siskin Spinus magellanicus | Black-chinned Siskin Spinus barbatus | 1 | 1 | 0 |
| Chaco Sparrow Rhynchospiza strigiceps | White-browed Brushfinch Arremon torquatus | 1 | 0 | 1 |
| White-browed Brushfinch Arremon torquatus | Moss-backed Sparrow Arremon dorbignii | 1 | 0 | 1 |
| Moss-backed Sparrow Arremon dorbignii | Saffron-billed Sparrow Arremon flavirostris | 1 | 0 | 1 |
| Yellow-striped Brushfinch Atlapetes citrinellus | Thick-billed Saltator Saltator maxillosus | 1 | 1 | 0 |
| Bobolink Dolichonyx oryzivorus | Chestnut-capped Blackbird Chrysomus ruficapillus | 1 | 1 | 0 |
| White-browed Meadowlark Leistes superciliaris | Bright-rumped Yellow-Finch Sicalis uropygialis | 1 | 0 | 1 |
| Pampas Meadowlark Leistes defilippii | Long-tailed Meadowlark Leistes loyca | 1 | 0 | 1 |
| Long-tailed Meadowlark Leistes loyca | Crested Oropendola Psarocolius decumanus | 1 | 1 | 0 |
| Solitary Black Cacique Cacicus solitarius | Red-rumped Cacique Cacicus haemorrhous | 1 | 0 | 1 |
| Golden-winged Cacique Cacicus chrysopterus | Orange-backed Troupial Icterus croconotus | 1 | 1 | 0 |
| Red-rumped Cacique Cacicus haemorrhous | Variable Oriole Icterus pyrrhopterus | 1 | 0 | 1 |
| Screaming Cowbird Molothrus rufoaxillaris | Shiny Cowbird Molothrus bonariensis | 1 | 1 | 0 |
| Screaming Cowbird Molothrus rufoaxillaris | Chestnut-capped Blackbird Chrysomus ruficapillus | 1 | 0 | 1 |
| Screaming Cowbird Molothrus rufoaxillaris | Mourning Sierra Finch Rhopospina fruticeti | 1 | 0 | 1 |
| Shiny Cowbird Molothrus bonariensis | Saffron Finch Sicalis flaveola | 1 | 0 | 1 |
| Chopi Blackbird Gnorimopsar chopi | Unicoloured Blackbird Agelasticus cyanopus | 1 | 0 | 1 |
| Yellow-rumped Marshbird Pseudoleistes guirahuro | Brown-and-yellow Marshbird Pseudoleistes virescens | 1 | 1 | 0 |
| Southern Yellowthroat Geothlypis velata | Common Yellowthroat Geothlypis trichas | 1 | 0 | 1 |
| Red-crested Cardinal Paroaria coronata | Yellow-billed Cardinal Paroaria capitata | 1 | 0 | 1 |
| Ringed Warbling Finch Microspingus torquatus | Black-capped Warbling Finch Microspingus melanoleucus | 1 | 1 | 0 |
| Palm Tanager Thraupis palmarum | Chestnut-backed Tanager Stilpnia preciosa | 1 | 0 | 1 |
| Blue Dacnis Dacnis cayana | Chestnut-vented Conebill Conirostrum speciosum | 1 | 0 | 1 |
| Grey-hooded Sierra Finch Phrygilus gayi | Patagonian Sierra Finch Phrygilus patagonicus | 1 | 0 | 1 |
| Diuca Finch Diuca diuca | Red-backed Sierra Finch Idiopsar dorsalis | 1 | 1 | 0 |
| White-bridled Finch Melanodera melanodera | Yellow-bridled Finch Melanodera xanthogramma | 1 | 0 | 1 |
| Yellow-bridled Finch Melanodera xanthogramma | Boulder Finch Idiopsar brachyurus | 1 | 1 | 0 |
| Boulder Finch Idiopsar brachyurus | Plumbeous Sierra Finch Geospizopsis unicolor | 1 | 1 | 0 |
| Plumbeous Sierra Finch Geospizopsis unicolor | Ash-breasted Sierra Finch Geospizopsis plebejus | 1 | 0 | 1 |
| Plumbeous Sierra Finch Geospizopsis unicolor | Uniform Finch Haplospiza unicolor | 1 | 0 | 1 |
| Uniform Finch Haplospiza unicolor | Grey-crested Finch Lophospingus griseocristatus | 1 | 0 | 1 |
| Grey-crested Finch Lophospingus griseocristatus | Carbonated Sierra Finch Rhopospina carbonaria | 1 | 1 | 0 |
| Band-tailed Sierra Finch Rhopospina alaudina | Carbonated Sierra Finch Rhopospina carbonaria | 1 | 1 | 0 |
| Rufous-sided Warbling Finch Poospizopsis hypochondria | Bolivian Warbling Finch Poospiza boliviana | 1 | 0 | 1 |
| Cinnamon Warbling Finch Poospiza ornata | Black-and-rufous Warbling Finch Poospiza nigrorufa | 1 | 0 | 1 |
| Puna Yellow-Finch Sicalis lutea | Bright-rumped Yellow-Finch Sicalis uropygialis | 1 | 1 | 0 |
| Greater Yellow-Finch Sicalis auriventris | Greenish Yellow-Finch Sicalis olivascens | 1 | 0 | 1 |
| Greenish Yellow-Finch Sicalis olivascens | Saffron Finch Sicalis flaveola | 1 | 1 | 0 |
| Monte Yellow-Finch Sicalis mendozae | Patagonian Yellow-Finch Sicalis lebruni | 1 | 1 | 0 |
| Wedge-tailed Grass-Finch Emberizoides herbicola | Lesser Grass-Finch Emberizoides ypiranganus | 1 | 0 | 1 |
| Rufous-rumped Seedeater Sporophila hypochroma | Chestnut Seedeater Sporophila cinnamomea | 1 | 1 | 0 |
| Rufous-rumped Seedeater Sporophila hypochroma | Chestnut-bellied Seed-Finch Sporophila angolensis | 1 | 1 | 0 |
| Bluish-grey Saltator Saltator coerulescens | Green-winged Saltator Saltator similis | 1 | 0 | 1 |
| Greater Rhea Rhea americana | Lesser Rhea Rhea pennata | 1 | 1 | 0 |
| Thick-billed Saltator Saltator maxillosus | Golden-billed Saltator Saltator aurantiirostris | 1 | 0 | 1 |
| Undulated Tinamou Crypturellus undulatus | Small-billed Tinamou Crypturellus parvirostris | 1 | 1 | 0 |
| Ornate Tinamou Nothoprocta ornata | Brushland Tinamou Nothoprocta cinerascens | 1 | 1 | 0 |
| Andean Tinamou Nothoprocta pentlandii | Darwin's Nothura Nothura darwinii | 1 | 1 | 0 |
| Andean Tinamou Nothoprocta pentlandii | Elegant Crested-Tinamou Eudromia elegans | 1 | 1 | 0 |
| Spotted Nothura Nothura maculosa | Elegant Crested-Tinamou Eudromia elegans | 1 | 1 | 0 |
| Spotted Nothura Nothura maculosa | Puna Tinamou Tinamotis pentlandii | 1 | 1 | 0 |
| Spotted Nothura Nothura maculosa | Patagonian Tinamou Tinamotis ingoufi | 1 | 0 | 1 |
| Spotted Nothura Nothura maculosa | White-faced Ibis Plegadis chihi | 1 | 0 | 1 |
| Spotted Nothura Nothura maculosa | Shiny Cowbird Molothrus bonariensis | 1 | 0 | 1 |
| Elegant Crested-Tinamou Eudromia elegans | Quebracho Crested-Tinamou Eudromia formosa | 1 | 0 | 1 |
| Quebracho Crested-Tinamou Eudromia formosa | Puna Tinamou Tinamotis pentlandii | 1 | 0 | 1 |
| Puna Tinamou Tinamotis pentlandii | Patagonian Tinamou Tinamotis ingoufi | 1 | 0 | 1 |
| White-faced Whistling-Duck Dendrocygna viduata | Chestnut-capped Blackbird Chrysomus ruficapillus | 1 | 1 | 0 |
| Andean Goose Oressochen melanopterus | Upland Goose Chloephaga picta | 1 | 1 | 0 |
| Upland Goose Chloephaga picta | Bobolink Dolichonyx oryzivorus | 1 | 0 | 1 |
| Ringed Teal Callonetta leucophrys | Torrent Duck Merganetta armata | 1 | 1 | 0 |
| Ringed Teal Callonetta leucophrys | Yellow-billed Pintail Anas georgica | 1 | 0 | 1 |
| Brazilian Teal Amazonetta brasiliensis | Silver Teal Spatula versicolor | 1 | 0 | 1 |
| Brazilian Teal Amazonetta brasiliensis | Puna Teal Spatula puna | 1 | 1 | 0 |
| Cinnamon Teal Spatula cyanoptera | Red Shoveler Spatula platalea | 1 | 1 | 0 |
| Yellow-billed Pintail Anas georgica | White-faced Ibis Plegadis chihi | 1 | 0 | 1 |
| Masked Duck Nomonyx dominicus | Lake Duck Oxyura vittata | 1 | 0 | 1 |
| Chaco Chachalaca Ortalis canicollis | Red-faced Guan Penelope dabbenei | 1 | 0 | 1 |
| Rusty-margined Guan Penelope superciliaris | Yungas Guan Penelope bridgesi | 1 | 1 | 0 |
| Dusky-legged Guan Penelope obscura | Bare-faced Curassow Crax fasciolata | 1 | 1 | 0 |
| Least Grebe Tachybaptus dominicus | Pied-billed Grebe Podilymbus podiceps | 1 | 0 | 1 |
| Great Grebe Podiceps major | Hooded Grebe Podiceps gallardoi | 1 | 1 | 0 |
| Great Grebe Podiceps major | Magellanic Diving-Petrel Pelecanoides magellani | 1 | 0 | 1 |
| Silvery Grebe Podiceps occipitalis | Hooded Grebe Podiceps gallardoi | 1 | 1 | 0 |
| Large-tailed Dove Leptotila megalura | Eared Dove Zenaida auriculata | 1 | 1 | 0 |
| Guira Cuckoo Guira guira | Least Seedsnipe Thinocorus rumicivorus | 1 | 1 | 0 |
| Guira Cuckoo Guira guira | Rufous-collared Sparrow Zonotrichia capensis | 1 | 1 | 0 |
| Guira Cuckoo Guira guira | Double-collared Seedeater Sporophila caerulescens | 1 | 0 | 1 |
| Greater Ani Crotophaga major | Smooth-billed Ani Crotophaga ani | 1 | 1 | 0 |
| Smooth-billed Ani Crotophaga ani | Tawny-throated Dotterel Oreopholus ruficollis | 1 | 1 | 0 |
| Pheasant Cuckoo Dromococcyx phasianellus | Pavonine Cuckoo Dromococcyx pavoninus | 1 | 0 | 1 |
| Pavonine Cuckoo Dromococcyx pavoninus | Common Squirrel-Cuckoo Piaya cayana | 1 | 1 | 0 |
| Dark-billed Cuckoo Coccyzus melacoryphus | Pearly-breasted Cuckoo Coccyzus euleri | 1 | 1 | 0 |
| Pearly-breasted Cuckoo Coccyzus euleri | King Vulture Sarcoramphus papa | 1 | 0 | 1 |
| Short-tailed Nighthawk Lurocalis semitorquatus | Band-winged Nightjar Systellura longirostris | 1 | 0 | 1 |
| Common Pauraque Nyctidromus albicollis | Sickle-winged Nightjar Eleothreptus anomalus | 1 | 0 | 1 |
| Common Pauraque Nyctidromus albicollis | Lyre-tailed Nightjar Uropsalis lyra | 1 | 0 | 1 |
| Lyre-tailed Nightjar Uropsalis lyra | Scissor-tailed Nightjar Hydropsalis torquata | 1 | 1 | 0 |
| Little Nightjar Setopagis parvula | Ocellated Poorwill Nyctiphrynus ocellatus | 1 | 1 | 0 |
| Long-trained Nightjar Hydropsalis forcipata | Silky-tailed Nightjar Antrostomus sericocaudatus | 1 | 1 | 0 |
| Ocellated Poorwill Nyctiphrynus ocellatus | Silky-tailed Nightjar Antrostomus sericocaudatus | 1 | 1 | 0 |
| Rufous Nightjar Antrostomus rufus | Long-tailed Potoo Nyctibius aethereus | 1 | 1 | 0 |
| Long-tailed Potoo Nyctibius aethereus | Common Potoo Nyctibius griseus | 1 | 1 | 0 |
| Rothschild's Swift Cypseloides rothschildi | Great Dusky Swift Cypseloides senex | 1 | 0 | 1 |
| Sooty Swift Cypseloides fumigatus | Great Dusky Swift Cypseloides senex | 1 | 1 | 0 |
| Great Dusky Swift Cypseloides senex | Grey-rumped Swift Chaetura cinereiventris | 1 | 1 | 0 |
| Great Dusky Swift Cypseloides senex | Sick's Swift Chaetura meridionalis | 1 | 0 | 1 |
| Speckled Hummingbird Adelomyia melanogenys | Andean Hillstar Oreotrochilus estella | 1 | 0 | 1 |
| White-sided Hillstar Oreotrochilus leucopleurus | Wedge-tailed Hillstar Oreotrochilus adela | 1 | 1 | 0 |