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 |
|---|---|---|---|---|
| Yellow-olive Flatbill Tolmomyias sulphurescens | Yellow-winged Flatbill Tolmomyias flavotectus | 3 | 1 | 2 |
| Central American Pygmy-Owl Glaucidium griseiceps | Ferruginous Pygmy-Owl Glaucidium brasilianum | 3 | 1 | 2 |
| Choco Sirystes Sirystes albogriseus | White-rumped Sirystes Sirystes albocinereus | 2 | 1 | 1 |
| Amethyst-throated Sunangel Heliangelus amethysticollis | Tourmaline Sunangel Heliangelus exortis | 2 | 2 | 0 |
| Short-crested Flycatcher Myiarchus ferox | Sooty-crowned Flycatcher Myiarchus phaeocephalus | 2 | 2 | 0 |
| Fasciated Antshrike Cymbilaimus lineatus | Great Antshrike Taraba major | 2 | 2 | 0 |
| Yellow-crowned Tyrannulet Tyrannulus elatus | Forest Elaenia Myiopagis gaimardii | 2 | 2 | 0 |
| Highland Elaenia Elaenia obscura | Small-billed Elaenia Elaenia parvirostris | 2 | 2 | 0 |
| Grey-rumped Swift Chaetura cinereiventris | Band-rumped Swift Chaetura spinicaudus | 2 | 1 | 1 |
| Magnificent Frigatebird Fregata magnificens | Great Frigatebird Fregata minor | 2 | 1 | 1 |
| Snowy-throated Kingbird Tyrannus niveigularis | White-throated Kingbird Tyrannus albogularis | 2 | 1 | 1 |
| Broad-winged Hawk Buteo platypterus | Swainson's Hawk Buteo swainsoni | 2 | 2 | 0 |
| White-chinned Woodcreeper Dendrocincla merula | Plain-brown Woodcreeper Dendrocincla fuliginosa | 2 | 1 | 1 |
| White-lored Antpitta Myrmothera fulviventris | Thrush-like Antpitta Myrmothera campanisona | 2 | 1 | 1 |
| Bran-coloured Flycatcher Myiophobus fasciatus | Euler's Flycatcher Lathrotriccus euleri | 2 | 0 | 2 |
| Uniform Antshrike Thamnophilus unicolor | White-shouldered Antshrike Thamnophilus aethiops | 2 | 0 | 2 |
| Silver-beaked Tanager Ramphocelus carbo | Variable Seedeater Sporophila corvina | 2 | 1 | 1 |
| Beautiful Jay Cyanolyca pulchra | Black-collared Jay Cyanolyca armillata | 2 | 1 | 1 |
| Blue-grey Tanager Thraupis episcopus | Variable Seedeater Sporophila corvina | 2 | 2 | 0 |
| Pied Water-Tyrant Fluvicola pica | Masked Water-Tyrant Fluvicola nengeta | 2 | 0 | 2 |
| Smoky-brown Woodpecker Leuconotopicus fumigatus | Red-rumped Woodpecker Veniliornis kirkii | 2 | 0 | 2 |
| Turquoise Tanager Tangara mexicana | Paradise Tanager Tangara chilensis | 2 | 0 | 2 |
| Black-crested Tit-Tyrant Anairetes nigrocristatus | Tufted Tit-Tyrant Anairetes parulus | 2 | 0 | 2 |
| Chestnut-breasted Wren Cyphorhinus thoracicus | Musician Wren Cyphorhinus arada | 2 | 0 | 2 |
| Rufous-breasted Hermit Glaucis hirsutus | Pale-tailed Barbthroat Threnetes leucurus | 1 | 0 | 1 |
| Pale-tailed Barbthroat Threnetes leucurus | White-whiskered Hermit Phaethornis yaruqui | 1 | 1 | 0 |
| Black-throated Hermit Phaethornis atrimentalis | Stripe-throated Hermit Phaethornis striigularis | 1 | 0 | 1 |
| Grey-chinned Hermit Phaethornis griseogularis | Reddish Hermit Phaethornis ruber | 1 | 0 | 1 |
| Reddish Hermit Phaethornis ruber | Blue-fronted Lancebill Doryfera johannae | 1 | 0 | 1 |
| Geoffroy's Daggerbill Schistes geoffroyi | Sparkling Violetear Colibri coruscans | 1 | 1 | 0 |
| Gorgeted Sunangel Heliangelus strophianus | Little Sunangel Heliangelus micraster | 1 | 0 | 1 |
| Gorgeted Sunangel Heliangelus strophianus | Purple-throated Sunangel Heliangelus viola | 1 | 1 | 0 |
| Green Thorntail Discosura conversii | Butterfly Coquette Lophornis verreauxii | 1 | 0 | 1 |
| Butterfly Coquette Lophornis verreauxii | Tumbes Hummingbird Thaumasius baeri | 1 | 1 | 0 |
| Blue-throated Hillstar Oreotrochilus cyanolaemus | Green-headed Hillstar Oreotrochilus stolzmanni | 1 | 0 | 1 |
| Black-tailed Trainbearer Lesbia victoriae | Gould's Jewelfront Heliodoxa aurescens | 1 | 0 | 1 |
| Rufous-capped Thornbill Chalcostigma ruficeps | Rainbow-bearded Thornbill Chalcostigma herrani | 1 | 1 | 0 |
| Glowing Puffleg Eriocnemis vestita | Sapphire-vented Puffleg Eriocnemis luciani | 1 | 0 | 1 |
| Sapphire-vented Puffleg Eriocnemis luciani | Emerald-bellied Puffleg Eriocnemis aline | 1 | 1 | 0 |
| Bronzy Inca Coeligena coeligena | Brown Inca Coeligena wilsoni | 1 | 1 | 0 |
| White-booted Racket-tail Ocreatus underwoodii | Peruvian Racket-tail Ocreatus peruanus | 1 | 0 | 1 |
| Purple-bibbed Whitetip Urosticte benjamini | Pink-throated Brilliant Heliodoxa gularis | 1 | 0 | 1 |
| Empress Brilliant Heliodoxa imperatrix | Violet-fronted Brilliant Heliodoxa leadbeateri | 1 | 1 | 0 |
| Amethyst Woodstar Calliphlox amethystina | Purple-collared Woodstar Myrtis fanny | 1 | 1 | 0 |
| Crowned Woodnymph Thalurania colombica | Fork-tailed Woodnymph Thalurania furcata | 1 | 1 | 0 |
| Olive-spotted Hummingbird Talaphorus chlorocercus | Andean Emerald Uranomitra franciae | 1 | 1 | 0 |
| Golden-tailed Sapphire Chrysuronia oenone | Choco Manakin Cryptopipo litae | 1 | 0 | 1 |
| Humboldt's Sapphire Chrysuronia humboldtii | Glittering-throated Emerald Chionomesa fimbriata | 1 | 0 | 1 |
| Glittering-throated Emerald Chionomesa fimbriata | Violet-bellied Hummingbird Chlorestes julie | 1 | 0 | 1 |
| Azure Gallinule Porphyrio flavirostris | Russet-crowned Crake Rufirallus viridis | 1 | 1 | 0 |
| Ocellated Crake Rufirallus schomburgkii | Chestnut-headed Crake Anurolimnas castaneiceps | 1 | 1 | 0 |
| Rufous-sided Crake Laterallus melanophaius | White-throated Crake Laterallus albigularis | 1 | 1 | 0 |
| Peruvian Thick-knee Hesperoburhinus superciliaris | Imperial Snipe Gallinago imperialis | 1 | 1 | 0 |
| Southern Lapwing Vanellus chilensis | Andean Lapwing Vanellus resplendens | 1 | 0 | 1 |
| Wilson's Phalarope Phalaropus tricolor | Red-necked Phalarope Phalaropus lobatus | 1 | 1 | 0 |
| Grey Phalarope Phalaropus fulicarius | Red-necked Phalarope Phalaropus lobatus | 1 | 1 | 0 |
| Spotted Sandpiper Actitis macularius | Solitary Sandpiper Tringa solitaria | 1 | 1 | 0 |
| Surfbird Calidris virgata | Mottle-backed Elaenia Elaenia gigas | 1 | 1 | 0 |
| Least Sandpiper Calidris minutilla | Western Sandpiper Calidris mauri | 1 | 1 | 0 |
| Pectoral Sandpiper Calidris melanotos | Western Sandpiper Calidris mauri | 1 | 1 | 0 |
| Swallow-tailed Gull Creagrus furcatus | Grey-hooded Gull Chroicocephalus cirrocephalus | 1 | 1 | 0 |
| Andean Gull Chroicocephalus serranus | Grey-hooded Gull Chroicocephalus cirrocephalus | 1 | 0 | 1 |
| Brown Noddy Anous stolidus | Black Noddy Anous minutus | 1 | 0 | 1 |
| Sooty Tern Onychoprion fuscatus | Gull-billed Tern Gelochelidon nilotica | 1 | 1 | 0 |
| Yellow-billed Tern Sternula superciliaris | Peruvian Tern Sternula lorata | 1 | 0 | 1 |
| Arctic Tern Sterna paradisaea | Common Tern Sterna hirundo | 1 | 0 | 1 |
| Elliot's Storm-Petrel Oceanites gracilis | Least Storm-Petrel Hydrobates microsoma | 1 | 1 | 0 |
| Black Storm-Petrel Hydrobates melania | Markham's Storm-Petrel Hydrobates markhami | 1 | 0 | 1 |
| Black Storm-Petrel Hydrobates melania | Least Storm-Petrel Hydrobates microsoma | 1 | 0 | 1 |
| Kermadec Petrel Pterodroma neglecta | Red-footed Booby Sula sula | 1 | 1 | 0 |
| Galapagos Shearwater Puffinus subalaris | Manx Shearwater Puffinus puffinus | 1 | 0 | 1 |
| Magnificent Frigatebird Fregata magnificens | Neotropic Cormorant Nannopterum brasilianum | 1 | 0 | 1 |
| Flightless Cormorant Nannopterum harrisi | Neotropic Cormorant Nannopterum brasilianum | 1 | 1 | 0 |
| Brown Pelican Pelecanus occidentalis | Peruvian Pelican Pelecanus thagus | 1 | 1 | 0 |
| Yellow-crowned Night Heron Nyctanassa violacea | Capped Heron Pilherodius pileatus | 1 | 1 | 0 |
| Striated Heron Butorides striata | Green Heron Butorides virescens | 1 | 1 | 0 |
| Glossy Ibis Plegadis falcinellus | Puna Ibis Plegadis ridgwayi | 1 | 0 | 1 |
| Turkey Vulture Cathartes aura | Lesser Yellow-headed Vulture Cathartes burrovianus | 1 | 0 | 1 |
| Crane Hawk Geranospiza caerulescens | Common Black Hawk Buteogallus anthracinus | 1 | 1 | 0 |
| Roadside Hawk Rupornis magnirostris | Masked Water-Tyrant Fluvicola nengeta | 1 | 0 | 1 |
| White-rumped Hawk Parabuteo leucorrhous | Variable Hawk Geranoaetus polyosoma | 1 | 0 | 1 |
| White Hawk Pseudastur albicollis | Black-faced Hawk Leucopternis melanops | 1 | 1 | 0 |
| Grey-backed Hawk Pseudastur occidentalis | Black-faced Hawk Leucopternis melanops | 1 | 0 | 1 |
| Rufescent Screech-Owl Megascops ingens | Peruvian Screech-Owl Megascops roboratus | 1 | 1 | 0 |
| Choco Screech-Owl Megascops centralis | Peruvian Screech-Owl Megascops roboratus | 1 | 0 | 1 |
| Peruvian Screech-Owl Megascops roboratus | Tawny-bellied Screech-Owl Megascops watsonii | 1 | 0 | 1 |
| Subtropical Pygmy-Owl Glaucidium parkeri | Central American Pygmy-Owl Glaucidium griseiceps | 1 | 1 | 0 |
| Ferruginous Pygmy-Owl Glaucidium brasilianum | Peruvian Pygmy-Owl Glaucidium peruanum | 1 | 1 | 0 |
| Black-and-white Owl Strix nigrolineata | Black-banded Owl Strix huhula | 1 | 0 | 1 |
| Pavonine Quetzal Pharomachrus pavoninus | Golden-headed Quetzal Pharomachrus auriceps | 1 | 0 | 1 |
| Pavonine Quetzal Pharomachrus pavoninus | Slaty-tailed Trogon Trogon massena | 1 | 1 | 0 |
| Golden-headed Quetzal Pharomachrus auriceps | Crested Quetzal Pharomachrus antisianus | 1 | 0 | 1 |
| Blue-tailed Trogon Trogon comptus | Black-tailed Trogon Trogon melanurus | 1 | 1 | 0 |
| White-tailed Trogon Trogon chionurus | Green-backed Trogon Trogon viridis | 1 | 0 | 1 |
| Green-backed Trogon Trogon viridis | Gartered Violaceous Trogon Trogon caligatus | 1 | 0 | 1 |
| Collared Trogon Trogon collaris | Masked Trogon Trogon personatus | 1 | 0 | 1 |
| Amazon Kingfisher Chloroceryle amazona | Green-and-rufous Kingfisher Chloroceryle inda | 1 | 1 | 0 |
| American Pygmy Kingfisher Chloroceryle aenea | Green-and-rufous Kingfisher Chloroceryle inda | 1 | 1 | 0 |
| Black-streaked Puffbird Malacoptila fulvogularis | Black-fronted Nunbird Monasa nigrifrons | 1 | 1 | 0 |
| Brown Nunlet Nonnula brunnea | Fulvous-faced Scrub-Tyrant Euscarthmus fulviceps | 1 | 1 | 0 |
| White-eared Jacamar Galbalcyrhynchus leucotis | Brown Jacamar Brachygalba lugubris | 1 | 0 | 1 |
| Five-coloured Barbet Capito quinticolor | Gilded Barbet Capito auratus | 1 | 1 | 0 |
| Grey-breasted Mountain-Toucan Andigena hypoglauca | Black-billed Mountain-Toucan Andigena nigrirostris | 1 | 0 | 1 |
| Golden-collared Toucanet Selenidera reinwardtii | Yellow-throated Toucan Ramphastos ambiguus | 1 | 0 | 1 |
| Yellow-throated Toucan Ramphastos ambiguus | Choco Toucan Ramphastos brevis | 1 | 0 | 1 |
| Lafresnaye's Piculet Picumnus lafresnayi | Ecuadorian Piculet Picumnus sclateri | 1 | 0 | 1 |
| Black-cheeked Woodpecker Melanerpes pucherani | Red-rumped Woodpecker Veniliornis kirkii | 1 | 1 | 0 |
| Bar-bellied Woodpecker Veniliornis nigriceps | Choco Woodpecker Veniliornis chocoensis | 1 | 0 | 1 |
| Choco Woodpecker Veniliornis chocoensis | Powerful Woodpecker Campephilus pollens | 1 | 0 | 1 |
| Powerful Woodpecker Campephilus pollens | Red-necked Woodpecker Campephilus rubricollis | 1 | 0 | 1 |
| Waved Woodpecker Celeus undatus | Rufous-headed Woodpecker Celeus spectabilis | 1 | 0 | 1 |
| Golden-olive Woodpecker Colaptes rubiginosus | Spot-breasted Woodpecker Colaptes punctigula | 1 | 0 | 1 |
| Spot-breasted Woodpecker Colaptes punctigula | Andean Flicker Colaptes rupicola | 1 | 1 | 0 |
| Red-faced Parrot Hapalopsittaca pyrrhops | Rose-faced Parrot Pyrilia pulchra | 1 | 1 | 0 |
| Red-billed Parrot Pionus sordidus | Blue-headed Parrot Pionus menstruus | 1 | 0 | 1 |
| Blue-headed Parrot Pionus menstruus | Orange-winged Amazon Amazona amazonica | 1 | 0 | 1 |
| Blue-headed Parrot Pionus menstruus | White-eyed Parakeet Psittacara leucophthalmus | 1 | 0 | 1 |
| Short-tailed Parrot Graydidascalus brachyurus | Mealy Amazon Amazona farinosa | 1 | 0 | 1 |
| Short-tailed Parrot Graydidascalus brachyurus | Rufous-necked Foliage-gleaner Syndactyla ruficollis | 1 | 0 | 1 |
| Yellow-crowned Amazon Amazona ochrocephala | Orange-winged Amazon Amazona amazonica | 1 | 0 | 1 |
| Orange-winged Amazon Amazona amazonica | Dusky-billed Parrotlet Forpus modestus | 1 | 1 | 0 |
| Pacific Parrotlet Forpus coelestis | Blue-and-white Swallow Pygochelidon cyanoleuca | 1 | 1 | 0 |
| Maroon-tailed Parakeet Pyrrhura melanura | Dusky-headed Parakeet Aratinga weddellii | 1 | 1 | 0 |
| Military Macaw Ara militaris | Great Green Macaw Ara ambiguus | 1 | 0 | 1 |
| Red-and-green Macaw Ara chloropterus | Cordilleran Parakeet Psittacara frontatus | 1 | 0 | 1 |
| Golden-plumed Parakeet Leptosittaca branickii | White-eyed Parakeet Psittacara leucophthalmus | 1 | 1 | 0 |
| Fasciated Antshrike Cymbilaimus lineatus | Barred Antshrike Thamnophilus doliatus | 1 | 1 | 0 |
| Chapman's Antshrike Thamnophilus zarumae | Lined Antshrike Thamnophilus tenuepunctatus | 1 | 1 | 0 |
| Cocha Antshrike Thamnophilus praecox | Uniform Antshrike Thamnophilus unicolor | 1 | 1 | 0 |
| Dusky-throated Antshrike Thamnomanes ardesiacus | Rusty-margined Flycatcher Myiozetetes cayanensis | 1 | 0 | 1 |
| Rufous-backed Stipplethroat Epinecrophylla haematonota | Ornate Stipplethroat Epinecrophylla ornata | 1 | 0 | 1 |
| Ornate Stipplethroat Epinecrophylla ornata | Pygmy Antwren Myrmotherula brachyura | 1 | 1 | 0 |
| Rufous-tailed Stipplethroat Epinecrophylla erythrura | Pygmy Antwren Myrmotherula brachyura | 1 | 1 | 0 |
| Pygmy Antwren Myrmotherula brachyura | Amazonian Streaked-Antwren Myrmotherula multostriata | 1 | 1 | 0 |
| White-flanked Antwren Myrmotherula axillaris | Slaty Antwren Myrmotherula schisticolor | 1 | 1 | 0 |
| White-flanked Antwren Myrmotherula axillaris | Long-winged Antwren Myrmotherula longipennis | 1 | 0 | 1 |
| Slaty Antwren Myrmotherula schisticolor | Plain-winged Antwren Myrmotherula behni | 1 | 1 | 0 |
| Ancient Antwren Herpsilochmus gentryi | Rusty-winged Antwren Herpsilochmus frater | 1 | 1 | 0 |
| Yellow-browed Antbird Hypocnemis hypoxantha | Yellow-green Tanager Bangsia flavovirens | 1 | 1 | 0 |
| Black Antbird Cercomacroides serva | Blackish Antbird Cercomacroides nigrescens | 1 | 1 | 0 |
| Blackish Antbird Cercomacroides nigrescens | Grey Antbird Cercomacra cinerascens | 1 | 1 | 0 |
| Blackish Antbird Cercomacroides nigrescens | Pale-eyed Thrush Turdus leucops | 1 | 0 | 1 |
| White-browed Antbird Myrmoborus leucophrys | Ash-breasted Antbird Myrmoborus lugubris | 1 | 0 | 1 |
| Black-faced Antbird Myrmoborus myotherinus | Silvered Antbird Sclateria naevia | 1 | 1 | 0 |
| Chestnut-backed Antbird Poliocrania exsul | Grey-headed Antbird Ampelornis griseiceps | 1 | 0 | 1 |
| Grey-headed Antbird Ampelornis griseiceps | Rufous-breasted Antthrush Formicarius rufipectus | 1 | 0 | 1 |
| White-shouldered Antbird Akletos melanoceps | Zeledon's Antbird Hafferia zeledoni | 1 | 1 | 0 |
| Black-throated Antbird Myrmophylax atrothorax | White-plumed Antbird Pithys albifrons | 1 | 1 | 0 |
| White-cheeked Antbird Gymnopithys leucaspis | Lunulated Antbird Oneillornis lunulatus | 1 | 0 | 1 |
| Spot-backed Antbird Hylophylax naevius | Dot-backed Antbird Hylophylax punctulatus | 1 | 1 | 0 |
| Dot-backed Antbird Hylophylax punctulatus | Black-spotted Bare-eye Phlegopsis nigromaculata | 1 | 1 | 0 |
| Streak-chested Antpitta Hylopezus perspicillatus | Thrush-like Antpitta Myrmothera campanisona | 1 | 0 | 1 |
| Paramo Tapaculo Scytalopus opacus | Blackish Tapaculo Scytalopus latrans | 1 | 1 | 0 |
| Blackish Tapaculo Scytalopus latrans | Yellow-backed Tanager Hemithraupis flavicollis | 1 | 0 | 1 |
| Spillmann's Tapaculo Scytalopus spillmanni | Dusky Piha Lipaugus fuscocinereus | 1 | 1 | 0 |
| South American Leaftosser Sclerurus obscurior | Black-tailed Leaftosser Sclerurus caudacutus | 1 | 1 | 0 |
| Scaly-throated Leaftosser Sclerurus guatemalensis | Grey-throated Leaftosser Sclerurus albigularis | 1 | 0 | 1 |
| Olivaceous Woodcreeper Sittasomus griseicapillus | Long-tailed Woodcreeper Deconychura longicauda | 1 | 1 | 0 |
| Olivaceous Woodcreeper Sittasomus griseicapillus | Tyrannine Woodcreeper Dendrocincla tyrannina | 1 | 0 | 1 |
| Long-tailed Woodcreeper Deconychura longicauda | White-chinned Woodcreeper Dendrocincla merula | 1 | 0 | 1 |
| Plain-brown Woodcreeper Dendrocincla fuliginosa | Wedge-billed Woodcreeper Glyphorynchus spirurus | 1 | 1 | 0 |
| Strong-billed Woodcreeper Xiphocolaptes promeropirhynchus | Striped Woodcreeper Xiphorhynchus obsoletus | 1 | 0 | 1 |
| Elegant Woodcreeper Xiphorhynchus elegans | Buff-throated Woodcreeper Xiphorhynchus guttatus | 1 | 1 | 0 |
| Buff-throated Woodcreeper Xiphorhynchus guttatus | Straight-billed Woodcreeper Dendroplex picus | 1 | 1 | 0 |
| Spotted Woodcreeper Xiphorhynchus erythropygius | Olive-backed Woodcreeper Xiphorhynchus triangularis | 1 | 0 | 1 |
| Spotted Woodcreeper Xiphorhynchus erythropygius | Straight-billed Woodcreeper Dendroplex picus | 1 | 0 | 1 |
| Streaked Xenops Xenops rutilans | Rufous-tailed Xenops Microxenops milleri | 1 | 0 | 1 |
| Pacific Tuftedcheek Pseudocolaptes johnsoni | Rusty-winged Barbtail Premnornis guttuliger | 1 | 0 | 1 |
| Rusty-winged Barbtail Premnornis guttuliger | Sharp-tailed Streamcreeper Lochmias nematura | 1 | 1 | 0 |
| Lineated Foliage-gleaner Syndactyla subalaris | Rufous-necked Foliage-gleaner Syndactyla ruficollis | 1 | 0 | 1 |
| Ruddy Foliage-gleaner Clibanornis rubiginosus | Uniform Treehunter Thripadectes ignobilis | 1 | 1 | 0 |
| Streak-capped Treehunter Thripadectes virgaticeps | Black-billed Treehunter Thripadectes melanorhynchus | 1 | 0 | 1 |
| Black-billed Treehunter Thripadectes melanorhynchus | Brown-rumped Foliage-gleaner Automolus melanopezus | 1 | 0 | 1 |
| Chestnut-crowned Foliage-gleaner Automolus rufipileatus | Brown-rumped Foliage-gleaner Automolus melanopezus | 1 | 0 | 1 |
| Western Woodhaunter Automolus virgatus | Eastern Woodhaunter Automolus subulatus | 1 | 0 | 1 |
| Spotted Barbtail Premnoplex brunnescens | Pearled Treerunner Margarornis squamiger | 1 | 1 | 0 |
| Fulvous-dotted Treerunner Margarornis stellatus | Pearled Treerunner Margarornis squamiger | 1 | 1 | 0 |
| Spectacled Prickletail Siptornis striaticollis | Grey-tailed Piha Snowornis subalaris | 1 | 1 | 0 |
| Spectacled Prickletail Siptornis striaticollis | Yellow-browed Tody-Flycatcher Todirostrum chrysocrotaphum | 1 | 0 | 1 |
| Speckled Spinetail Thripophaga gutturata | Parker's Spinetail Cranioleuca vulpecula | 1 | 1 | 0 |
| Parker's Spinetail Cranioleuca vulpecula | Line-cheeked Spinetail Cranioleuca antisiensis | 1 | 1 | 0 |
| Slaty Spinetail Synallaxis brachyura | Dark-breasted Spinetail Synallaxis albigularis | 1 | 1 | 0 |
| Blackish-headed Spinetail Synallaxis tithys | Black-faced Dacnis Dacnis lineata | 1 | 0 | 1 |
| Rufous Spinetail Synallaxis unirufa | Bay Wren Cantorchilus nigricapillus | 1 | 1 | 0 |
| Ruddy Spinetail Synallaxis rutilans | Chestnut-throated Spinetail Synallaxis cherriei | 1 | 0 | 1 |
| Green Manakin Cryptopipo holochlora | Plain-tailed Wren Pheugopedius euophrys | 1 | 1 | 0 |
| White-bearded Manakin Manacus manacus | Club-winged Manakin Machaeropterus deliciosus | 1 | 1 | 0 |
| Green-and-black Fruiteater Pipreola riefferii | Barred Fruiteater Pipreola arcuata | 1 | 0 | 1 |
| Chestnut-bellied Cotinga Doliornis remseni | Black-necked Red-Cotinga Phoenicircus nigricollis | 1 | 1 | 0 |
| Screaming Piha Lipaugus vociferans | Andean Laniisoma Laniisoma buckleyi | 1 | 1 | 0 |
| Northern Schiffornis Schiffornis veraepacis | Brown-winged Schiffornis Schiffornis turdina | 1 | 1 | 0 |
| Brown-winged Schiffornis Schiffornis turdina | Cinereous Mourner Laniocera hypopyrra | 1 | 1 | 0 |
| White-winged Becard Pachyramphus polychopterus | Black-and-white Becard Pachyramphus albogriseus | 1 | 1 | 0 |
| White-winged Becard Pachyramphus polychopterus | Cinnamon Manakin-Tyrant Neopipo cinnamomea | 1 | 1 | 0 |
| Cinnamon Manakin-Tyrant Neopipo cinnamomea | Bay-crowned Brushfinch Atlapetes seebohmi | 1 | 1 | 0 |
| Ecuadorian Tyrannulet Phylloscartes gualaquizae | Bronze-olive Pygmy-Tyrant Pseudotriccus pelzelni | 1 | 0 | 1 |
| Ringed Antpipit Corythopis torquatus | Black-capped Pygmy-Tyrant Myiornis atricapillus | 1 | 1 | 0 |
| Johannes's Tody-Tyrant Hemitriccus iohannis | Zimmer's Tody-Tyrant Hemitriccus minimus | 1 | 1 | 0 |
| Zimmer's Tody-Tyrant Hemitriccus minimus | Cinnamon-breasted Tody-Tyrant Hemitriccus cinnamomeipectus | 1 | 0 | 1 |
| Black-and-white Tody-Flycatcher Poecilotriccus capitalis | Rusty-fronted Tody-Flycatcher Poecilotriccus latirostris | 1 | 1 | 0 |
| Common Tody-Flycatcher Todirostrum cinereum | Western Olivaceous Flatbill Rhynchocyclus aequinoctialis | 1 | 1 | 0 |
| Yellow-olive Flatbill Tolmomyias sulphurescens | Orange-eyed Flatbill Tolmomyias traylori | 1 | 1 | 0 |
| Yellow-margined Flatbill Tolmomyias assimilis | Olive-faced Flatbill Tolmomyias viridiceps | 1 | 0 | 1 |
| White-banded Tyrannulet Mecocerculus stictopterus | Cinereous Conebill Conirostrum cinereum | 1 | 0 | 1 |
| Northern Mouse-coloured Tyrannulet Nesotriccus incomtus | Southern Mouse-coloured Tyrannulet Nesotriccus murinus | 1 | 1 | 0 |
| Subtropical Doradito Pseudocolopteryx acutipennis | Yellow-crowned Tyrannulet Tyrannulus elatus | 1 | 1 | 0 |
| River Tyrannulet Serpophaga hypoleuca | Sooty-headed Tyrannulet Phyllomyias griseiceps | 1 | 1 | 0 |
| Sooty-headed Tyrannulet Phyllomyias griseiceps | Tawny-rumped Tyrannulet Tyranniscus uropygialis | 1 | 1 | 0 |
| Plumbeous-crowned Tyrannulet Phyllomyias plumbeiceps | Red-billed Tyrannulet Zimmerius cinereicapilla | 1 | 0 | 1 |
| Plumbeous-crowned Tyrannulet Phyllomyias plumbeiceps | Choco Tyrannulet Zimmerius albigularis | 1 | 1 | 0 |
| Grey-and-white Tyrannulet Pseudelaenia leucospodia | Lesser Wagtail-Tyrant Stigmatura napensis | 1 | 1 | 0 |
| Vermilion Flycatcher Pyrocephalus rubinus | Brujo Flycatcher Pyrocephalus nanus | 1 | 0 | 1 |
| Smoky Bush-Tyrant Myiotheretes fumigatus | Brown-backed Chat-Tyrant Ochthoeca fumicolor | 1 | 1 | 0 |
| Crowned Chat-Tyrant Silvicultrix frontalis | Jelski's Chat-Tyrant Silvicultrix jelskii | 1 | 0 | 1 |
| Jelski's Chat-Tyrant Silvicultrix jelskii | Yellow-bellied Chat-Tyrant Silvicultrix diadema | 1 | 0 | 1 |
| Cinnamon Attila Attila cinnamomeus | Ochraceous Attila Attila torridus | 1 | 0 | 1 |
| White-rumped Sirystes Sirystes albocinereus | Dusky-capped Flycatcher Myiarchus tuberculifer | 1 | 1 | 0 |
| Cattle Tyrant Machetornis rixosa | Tropical Kingbird Tyrannus melancholicus | 1 | 1 | 0 |
| White-ringed Flycatcher Conopias albovittatus | Golden-bellied Flycatcher Myiodynastes hemichrysus | 1 | 1 | 0 |
| Three-striped Flycatcher Conopias trivirgatus | Lemon-browed Flycatcher Conopias cinchoneti | 1 | 1 | 0 |
| Sulphur-bellied Flycatcher Myiodynastes luteiventris | Piratic Flycatcher Legatus leucophaius | 1 | 0 | 1 |
| Piratic Flycatcher Legatus leucophaius | Variegated Flycatcher Empidonomus varius | 1 | 0 | 1 |
| White-throated Kingbird Tyrannus albogularis | Tropical Kingbird Tyrannus melancholicus | 1 | 1 | 0 |
| Rufous-browed Peppershrike Cyclarhis gujanensis | Black-billed Peppershrike Cyclarhis nigrirostris | 1 | 0 | 1 |
| Lesser Greenlet Pachysylvia decurtata | Dusky-capped Greenlet Pachysylvia hypoxantha | 1 | 1 | 0 |
| Philadelphia Vireo Vireo philadelphicus | Brown-capped Vireo Vireo leucophrys | 1 | 1 | 0 |
| Warbling Vireo Vireo gilvus | Brown-capped Vireo Vireo leucophrys | 1 | 1 | 0 |
| Sand Martin Riparia riparia | Galapagos Martin Progne modesta | 1 | 1 | 0 |
| Brown-bellied Swallow Orochelidon murina | Chestnut-collared Swallow Petrochelidon rufocollaris | 1 | 0 | 1 |
| Plain-tailed Wren Pheugopedius euophrys | Whiskered Wren Pheugopedius mystacalis | 1 | 1 | 0 |
| Plain-tailed Wren Pheugopedius euophrys | Coraya Wren Pheugopedius coraya | 1 | 1 | 0 |
| Coraya Wren Pheugopedius coraya | Speckle-breasted Wren Pheugopedius sclateri | 1 | 0 | 1 |
| San Cristobal Mockingbird Mimus melanotis | Tropical Mockingbird Mimus gilvus | 1 | 0 | 1 |
| Rufous-brown Solitaire Cichlopsis leucogenys | Hauxwell's Thrush Turdus hauxwelli | 1 | 0 | 1 |
| Great Thrush Turdus fuscater | Chiguanco Thrush Turdus chiguanco | 1 | 0 | 1 |
| Red-throated Pipit Anthus cervinus | Paramo Pipit Anthus bogotensis | 1 | 1 | 0 |
| Blue-naped Chlorophonia Chlorophonia cyanea | Yellow-collared Chlorophonia Chlorophonia flavirostris | 1 | 0 | 1 |
| Blue-naped Chlorophonia Chlorophonia cyanea | Glistening-green Tanager Chlorochrysa phoenicotis | 1 | 1 | 0 |
| Purple-throated Euphonia Euphonia chlorotica | Golden-bellied Euphonia Euphonia chrysopasta | 1 | 1 | 0 |
| Thick-billed Euphonia Euphonia laniirostris | Fulvous-vented Euphonia Euphonia fulvicrissa | 1 | 0 | 1 |
| Orange-bellied Euphonia Euphonia xanthogaster | Rufous-bellied Euphonia Euphonia rufiventris | 1 | 0 | 1 |
| Andean Siskin Spinus spinescens | Hooded Siskin Spinus magellanicus | 1 | 1 | 0 |
| Tanager Finch Oreothraupis arremonops | Chestnut-throated Seedeater Sporophila telasco | 1 | 0 | 1 |
| Common Chlorospingus Chlorospingus flavopectus | Dusky Chlorospingus Chlorospingus semifuscus | 1 | 0 | 1 |
| Grey-browed Brushfinch Arremon assimilis | Olive Finch Arremon castaneiceps | 1 | 0 | 1 |
| Orange-billed Sparrow Arremon aurantiirostris | Black-capped Sparrow Arremon abeillei | 1 | 1 | 0 |
| White-winged Brushfinch Atlapetes leucopterus | Pale-headed Brushfinch Atlapetes pallidiceps | 1 | 1 | 0 |
| Russet-backed Oropendola Psarocolius angustifrons | Green Oropendola Psarocolius viridis | 1 | 0 | 1 |
| Russet-backed Oropendola Psarocolius angustifrons | Crested Oropendola Psarocolius decumanus | 1 | 0 | 1 |
| Yellow-rumped Cacique Cacicus cela | Golden-crowned Tanager Iridosornis rufivertex | 1 | 1 | 0 |
| Mountain Cacique Cacicus chrysonotus | White-edged Oriole Icterus graceannae | 1 | 0 | 1 |
| Band-tailed Cacique Cacicus latirostris | Red-rumped Cacique Cacicus haemorrhous | 1 | 0 | 1 |
| Yellow-backed Oriole Icterus chrysater | White-edged Oriole Icterus graceannae | 1 | 0 | 1 |
| Yellow-backed Oriole Icterus chrysater | Yellow-backed Tanager Hemithraupis flavicollis | 1 | 0 | 1 |
| Mourning Warbler Geothlypis philadelphia | Olive-crowned Yellowthroat Geothlypis semiflava | 1 | 0 | 1 |
| Slate-throated Redstart Myioborus miniatus | Crimson-breasted Finch Rhodospingus cruentus | 1 | 0 | 1 |
| Western Tanager Piranga ludoviciana | Red-hooded Tanager Piranga rubriceps | 1 | 1 | 0 |
| Red-hooded Tanager Piranga rubriceps | Red-crowned Ant-Tanager Habia rubica | 1 | 0 | 1 |
| Yellow-lored Tanager Chlorothraupis frenata | Ochre-breasted Tanager Chlorothraupis stolzmanni | 1 | 1 | 0 |
| Golden Grosbeak Pheucticus chrysogaster | Black-backed Grosbeak Pheucticus aureoventris | 1 | 0 | 1 |
| Black-backed Grosbeak Pheucticus aureoventris | Amazonian Grosbeak Cyanoloxia rothschildii | 1 | 0 | 1 |
| Ecuadorian Seedeater Amaurospiza aequatorialis | Blue-black Grosbeak Cyanoloxia cyanoides | 1 | 1 | 0 |
| Blue-black Grosbeak Cyanoloxia cyanoides | Amazonian Grosbeak Cyanoloxia rothschildii | 1 | 0 | 1 |
| Amazonian Grosbeak Cyanoloxia rothschildii | Blue Grosbeak Passerina caerulea | 1 | 1 | 0 |
| Fulvous-crested Tanager Tachyphonus surinamus | Tawny-crested Tanager Tachyphonus delatrii | 1 | 0 | 1 |
| Tawny-crested Tanager Tachyphonus delatrii | Fulvous Shrike-Tanager Lanio fulvus | 1 | 0 | 1 |
| White-lined Tanager Tachyphonus rufus | Silver-beaked Tanager Ramphocelus carbo | 1 | 1 | 0 |
| Yellow-throated Tanager Iridosornis analis | Blue-and-yellow Tanager Rauenia bonariensis | 1 | 1 | 0 |
| Speckled Tanager Ixothraupis guttata | Spotted Tanager Ixothraupis punctata | 1 | 0 | 1 |
| Spotted Tanager Ixothraupis punctata | Grey-and-gold Tanager Poecilostreptus palmeri | 1 | 0 | 1 |
| Black-capped Tanager Stilpnia heinei | Green-throated Tanager Stilpnia argyrofenges | 1 | 1 | 0 |
| Green-throated Tanager Stilpnia argyrofenges | Blue-necked Tanager Stilpnia cyanicollis | 1 | 1 | 0 |
| Metallic-green Tanager Tangara labradorides | Blue-browed Tanager Tangara cyanotis | 1 | 0 | 1 |
| Black-faced Dacnis Dacnis lineata | Blue Dacnis Dacnis cayana | 1 | 1 | 0 |
| Giant Conebill Conirostrum binghami | Blue-backed Conebill Conirostrum sitticolor | 1 | 1 | 0 |
| Indigo Flowerpiercer Diglossa indigotica | Deep-blue Flowerpiercer Diglossa glauca | 1 | 1 | 0 |
| Parrot-billed Seedeater Sporophila peruviana | Drab Seedeater Sporophila simplex | 1 | 1 | 0 |
| Chestnut-bellied Seedeater Sporophila castaneiventris | Thick-billed Seed-Finch Sporophila funerea | 1 | 0 | 1 |
| Chestnut-bellied Seedeater Sporophila castaneiventris | Chestnut-bellied Seed-Finch Sporophila angolensis | 1 | 1 | 0 |
| Ruddy-breasted Seedeater Sporophila minuta | Chestnut-bellied Seed-Finch Sporophila angolensis | 1 | 0 | 1 |
| Large-billed Seed-Finch Sporophila crassirostris | Black-billed Seed-Finch Sporophila atrirostris | 1 | 0 | 1 |
| Black-billed Seed-Finch Sporophila atrirostris | Variable Seedeater Sporophila corvina | 1 | 0 | 1 |
| Variable Seedeater Sporophila corvina | Wing-barred Seedeater Sporophila americana | 1 | 0 | 1 |
| Slate-coloured Seedeater Sporophila schistacea | Band-tailed Seedeater Catamenia analis | 1 | 1 | 0 |
| Dull-coloured Grassquit Asemospiza obscura | Grey Warbler-Finch Certhidea fusca | 1 | 1 | 0 |
| Grey Warbler-Finch Certhidea fusca | Woodpecker Finch Camarhynchus pallidus | 1 | 1 | 0 |
| Grey Warbler-Finch Certhidea fusca | Large Tree-Finch Camarhynchus psittacula | 1 | 1 | 0 |
| Woodpecker Finch Camarhynchus pallidus | Large Tree-Finch Camarhynchus psittacula | 1 | 1 | 0 |
| Small Ground-Finch Geospiza fuliginosa | Vampire Ground-Finch Geospiza septentrionalis | 1 | 0 | 1 |
| Genovesa Ground-Finch Geospiza acutirostris | Sharp-beaked Ground-Finch Geospiza difficilis | 1 | 0 | 1 |
| Medium Ground-Finch Geospiza fortis | Española Ground-Finch Geospiza conirostris | 1 | 0 | 1 |
| Medium Ground-Finch Geospiza fortis | Genovesa Cactus-Finch Geospiza propinqua | 1 | 0 | 1 |
| Genovesa Cactus-Finch Geospiza propinqua | Yellow-shouldered Grosbeak Parkerthraustes humeralis | 1 | 1 | 0 |
| Black-winged Saltator Saltator atripennis | Bluish-grey Saltator Saltator coerulescens | 1 | 0 | 1 |
| Bluish-grey Saltator Saltator coerulescens | Streaked Saltator Saltator striatipectus | 1 | 0 | 1 |
| Black Tinamou Tinamus osgoodi | Cinereous Tinamou Crypturellus cinereus | 1 | 1 | 0 |
| Bluish-grey Saltator Saltator coerulescens | Masked Saltator Saltator cinctus | 1 | 1 | 0 |
| Black-bellied Whistling-Duck Dendrocygna autumnalis | Fulvous Whistling-Duck Dendrocygna bicolor | 1 | 0 | 1 |
| Black-bellied Whistling-Duck Dendrocygna autumnalis | White-tipped Dove Leptotila verreauxi | 1 | 0 | 1 |
| Speckled Chachalaca Ortalis guttata | Cloud-forest Pygmy-Owl Glaucidium nubicola | 1 | 0 | 1 |
| Baudo Guan Penelope ortoni | Andean Guan Penelope montagnii | 1 | 1 | 0 |
| Andean Guan Penelope montagnii | Crested Guan Penelope purpurascens | 1 | 0 | 1 |
| Tawny-faced Quail Rhynchortyx cinctus | Rufous-fronted Wood-Quail Odontophorus erythrops | 1 | 1 | 0 |
| Marbled Wood-Quail Odontophorus gujanensis | Rufous-fronted Wood-Quail Odontophorus erythrops | 1 | 1 | 0 |
| Rufous-fronted Wood-Quail Odontophorus erythrops | Rufous-breasted Wood-Quail Odontophorus speciosus | 1 | 0 | 1 |
| Rufous-fronted Wood-Quail Odontophorus erythrops | Starred Wood-Quail Odontophorus stellatus | 1 | 1 | 0 |
| Pale-vented Pigeon Patagioenas cayennensis | Ecuadorian Ground Dove Columbina buckleyi | 1 | 0 | 1 |
| Band-tailed Pigeon Patagioenas fasciata | Peruvian Pigeon Patagioenas oenops | 1 | 1 | 0 |
| Plumbeous Pigeon Patagioenas plumbea | Dusky Pigeon Patagioenas goodsoni | 1 | 0 | 1 |
| Croaking Ground Dove Columbina cruziana | Blue Ground Dove Claravis pretiosa | 1 | 1 | 0 |
| Purple Quail-Dove Geotrygon purpurata | Ruddy Quail-Dove Geotrygon montana | 1 | 0 | 1 |
| White-tipped Dove Leptotila verreauxi | White-eyed Parakeet Psittacara leucophthalmus | 1 | 1 | 0 |
| Pallid Dove Leptotila pallida | West Peruvian Dove Zenaida meloda | 1 | 0 | 1 |
| Black-bellied Cuckoo Piaya melanogaster | River Tyrannulet Serpophaga hypoleuca | 1 | 0 | 1 |
| Common Pauraque Nyctidromus albicollis | Rufous-naped Greenlet Pachysylvia semibrunnea | 1 | 1 | 0 |
| Scrub Nightjar Nyctidromus anthonyi | Lyre-tailed Nightjar Uropsalis lyra | 1 | 0 | 1 |
| Great Potoo Nyctibius grandis | Common Potoo Nyctibius griseus | 1 | 1 | 0 |
| Black Swift Cypseloides niger | White-chinned Swift Cypseloides cryptus | 1 | 0 | 1 |
| Grey-rumped Swift Chaetura cinereiventris | Pale-rumped Swift Chaetura egregia | 1 | 1 | 0 |
| White-tipped Swift Aeronautes montivagus | Fork-tailed Palm Swift Tachornis squamata | 1 | 0 | 1 |