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 |
|---|---|---|---|---|
| Gilded Barbet Capito auratus | Paradise Tanager Tangara chilensis | 2 | 1 | 1 |
| Yellow-crowned Tyrannulet Tyrannulus elatus | Yellow-rumped Cacique Cacicus cela | 2 | 1 | 1 |
| Bartlett's Tinamou Crypturellus bartletti | Taczanowski's Tinamou Nothoprocta taczanowskii | 1 | 0 | 1 |
| Crested Duck Lophonetta specularioides | Blue-winged Teal Spatula discors | 1 | 0 | 1 |
| Cinnamon Teal Spatula cyanoptera | Cinereous Becard Pachyramphus rufus | 1 | 0 | 1 |
| Marbled Wood-Quail Odontophorus gujanensis | Rufous-breasted Wood-Quail Odontophorus speciosus | 1 | 0 | 1 |
| Stripe-faced Wood-Quail Odontophorus balliviani | Starred Wood-Quail Odontophorus stellatus | 1 | 0 | 1 |
| Stripe-faced Wood-Quail Odontophorus balliviani | Rufous-sided Crake Laterallus melanophaius | 1 | 0 | 1 |
| Pale-vented Pigeon Patagioenas cayennensis | Peruvian Pigeon Patagioenas oenops | 1 | 1 | 0 |
| Pheasant Cuckoo Dromococcyx phasianellus | Brown-rumped Foliage-gleaner Automolus melanopezus | 1 | 1 | 0 |
| Black-bellied Cuckoo Piaya melanogaster | Riparian Antbird Cercomacroides fuscicauda | 1 | 1 | 0 |
| Tschudi's Nightjar Quechuavis decussata | Common Pauraque Nyctidromus albicollis | 1 | 0 | 1 |
| Common Pauraque Nyctidromus albicollis | Scrub Nightjar Nyctidromus anthonyi | 1 | 1 | 0 |
| Common Pauraque Nyctidromus albicollis | Little Ground-Tyrant Syrtidicola fluviatilis | 1 | 0 | 1 |
| Common Potoo Nyctibius griseus | White-winged Potoo Nyctibius leucopterus | 1 | 0 | 1 |
| White-bearded Hermit Phaethornis hispidus | Violet-throated Starfrontlet Coeligena violifer | 1 | 1 | 0 |
| White-tailed Goldenthroat Polytmus guainumbi | Dusky Spinetail Synallaxis moesta | 1 | 1 | 0 |
| White-tailed Goldenthroat Polytmus guainumbi | Glossy Flowerpiercer Diglossa lafresnayii | 1 | 1 | 0 |
| Royal Sunangel Heliangelus regalis | Black-bellied Thorntail Discosura langsdorffi | 1 | 1 | 0 |
| Grey-bellied Comet Taphrolesbia griseiventris | Three-striped Hemispingus Microspingus trifasciatus | 1 | 1 | 0 |
| Tyrian Metaltail Metallura tyrianthina | Violet-bellied Hummingbird Chlorestes julie | 1 | 0 | 1 |
| Buff-thighed Puffleg Haplophaedia assimilis | Buff-winged Starfrontlet Coeligena lutetiae | 1 | 1 | 0 |
| Chestnut-breasted Coronet Boissonneaua matthewsii | Pacific Hornero Furnarius cinnamomeus | 1 | 0 | 1 |
| Green-backed Hillstar Urochroa leucura | Violet-bellied Hummingbird Chlorestes julie | 1 | 1 | 0 |
| White-bellied Woodstar Chaetocercus mulsant | Common Chlorospingus Chlorospingus flavopectus | 1 | 0 | 1 |
| Fork-tailed Woodnymph Thalurania furcata | Spot-throated Hummingbird Thaumasius taczanowskii | 1 | 1 | 0 |
| Rufous-tailed Hummingbird Amazilia tzacatl | Rufous-throated Sapphire Hylocharis sapphirina | 1 | 0 | 1 |
| Rufous-bellied Seedsnipe Attagis gayi | Least Seedsnipe Thinocorus rumicivorus | 1 | 1 | 0 |
| Grey-breasted Seedsnipe Thinocorus orbignyianus | Many-coloured Rush Tyrant Tachuris rubrigastra | 1 | 1 | 0 |
| Grey Phalarope Phalaropus fulicarius | Red-necked Phalarope Phalaropus lobatus | 1 | 0 | 1 |
| Spotted Sandpiper Actitis macularius | Willet Tringa semipalmata | 1 | 0 | 1 |
| Least Sandpiper Calidris minutilla | Pectoral Sandpiper Calidris melanotos | 1 | 0 | 1 |
| Chilean Skua Stercorarius chilensis | Collared Warbling Finch Poospiza hispaniolensis | 1 | 0 | 1 |
| Grey Gull Leucophaeus modestus | Belcher's Gull Larus belcheri | 1 | 1 | 0 |
| Inca Tern Larosterna inca | Black Tern Chlidonias niger | 1 | 1 | 0 |
| Inca Tern Larosterna inca | Silver-beaked Tanager Ramphocelus carbo | 1 | 1 | 0 |
| Double-toothed Kite Harpagus bidentatus | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| Solitary Eagle Buteogallus solitarius | Barred Hawk Morphnarchus princeps | 1 | 0 | 1 |
| Variable Hawk Geranoaetus polyosoma | White Hawk Pseudastur albicollis | 1 | 1 | 0 |
| Tropical Screech-Owl Megascops choliba | Silver-beaked Tanager Ramphocelus carbo | 1 | 0 | 1 |
| Foothill Screech-Owl Megascops roraimae | Ferruginous Pygmy-Owl Glaucidium brasilianum | 1 | 1 | 0 |
| Great Horned Owl Bubo virginianus | Lesser Horned Owl Bubo magellanicus | 1 | 0 | 1 |
| Great Horned Owl Bubo virginianus | Subtropical Pygmy-Owl Glaucidium parkeri | 1 | 1 | 0 |
| Ecuadorian Trogon Trogon mesurus | Green-backed Trogon Trogon viridis | 1 | 1 | 0 |
| Black-tailed Trogon Trogon melanurus | Green-backed Trogon Trogon viridis | 1 | 1 | 0 |
| Rufous Motmot Baryphthengus martii | Broad-billed Motmot Electron platyrhynchum | 1 | 0 | 1 |
| Semicollared Puffbird Malacoptila semicincta | Greyish Mourner Rhytipterna simplex | 1 | 0 | 1 |
| Brown Nunlet Nonnula brunnea | Rufous-capped Nunlet Nonnula ruficapilla | 1 | 0 | 1 |
| Purus Jacamar Galbalcyrhynchus purusianus | Bran-coloured Flycatcher Myiophobus fasciatus | 1 | 1 | 0 |
| Great Jacamar Jacamerops aureus | Ecuadorian Piculet Picumnus sclateri | 1 | 1 | 0 |
| Gilded Barbet Capito auratus | Screaming Piha Lipaugus vociferans | 1 | 0 | 1 |
| Gilded Barbet Capito auratus | Yellow-crowned Tyrannulet Tyrannulus elatus | 1 | 0 | 1 |
| Southern Emerald-Toucanet Aulacorhynchus albivitta | Chestnut-tipped Toucanet Aulacorhynchus derbianus | 1 | 1 | 0 |
| Chestnut-eared Aracari Pteroglossus castanotis | Many-banded Aracari Pteroglossus pluricinctus | 1 | 1 | 0 |
| Bar-breasted Piculet Picumnus aurifrons | Dull-capped Attila Attila bolivianus | 1 | 1 | 0 |
| Fine-barred Piculet Picumnus subtilis | Baird's Flycatcher Myiodynastes bairdii | 1 | 0 | 1 |
| White-winged Parakeet Brotogeris versicolurus | Grey-cheeked Parakeet Brotogeris pyrrhoptera | 1 | 1 | 0 |
| Blue-headed Parrot Pionus menstruus | Orange-winged Amazon Amazona amazonica | 1 | 0 | 1 |
| Blue-headed Parrot Pionus menstruus | Yellow-crowned Tyrannulet Tyrannulus elatus | 1 | 0 | 1 |
| Mealy Amazon Amazona farinosa | Raimondi's Yellow-Finch Sicalis raimondii | 1 | 0 | 1 |
| Orange-winged Amazon Amazona amazonica | Paradise Tanager Tangara chilensis | 1 | 1 | 0 |
| Fasciated Antshrike Cymbilaimus lineatus | Silvered Antbird Sclateria naevia | 1 | 1 | 0 |
| Collared Antshrike Thamnophilus bernardi | Black-capped Sparrow Arremon abeillei | 1 | 0 | 1 |
| Northern Slaty-Antshrike Thamnophilus punctatus | Dot-winged Antwren Microrhopias quixensis | 1 | 0 | 1 |
| Uniform Antshrike Thamnophilus unicolor | White-shouldered Antshrike Thamnophilus aethiops | 1 | 0 | 1 |
| Amazonian Antshrike Thamnophilus amazonicus | Yungas Tody-Tyrant Hemitriccus spodiops | 1 | 1 | 0 |
| Saturnine Antshrike Thamnomanes saturninus | Cinereous Antshrike Thamnomanes caesius | 1 | 1 | 0 |
| Plain-throated Antwren Isleria hauxwelli | Bay-vented Cotinga Doliornis sclateri | 1 | 0 | 1 |
| Rufous-backed Stipplethroat Epinecrophylla haematonota | Rio Madeira Stipplethroat Epinecrophylla amazonica | 1 | 1 | 0 |
| Foothill Stipplethroat Epinecrophylla spodionota | Unadorned Flycatcher Myiophobus inornatus | 1 | 1 | 0 |
| Long-winged Antwren Myrmotherula longipennis | Tawny Antpitta Grallaria quitensis | 1 | 1 | 0 |
| Peruvian Warbling-Antbird Hypocnemis peruviana | Humaita Antbird Myrmelastes humaythae | 1 | 0 | 1 |
| Peruvian Warbling-Antbird Hypocnemis peruviana | Round-tailed Manakin Ceratopipra chloromeros | 1 | 1 | 0 |
| Spot-winged Antbird Myrmelastes leucostigma | Sharpe's Wren Cinnycerthia olivascens | 1 | 0 | 1 |
| White-shouldered Antbird Akletos melanoceps | Slaty-capped Flycatcher Leptopogon superciliaris | 1 | 1 | 0 |
| Sooty Antbird Hafferia fortis | Junin Antpitta Grallaria obscura | 1 | 0 | 1 |
| Lunulated Antbird Oneillornis lunulatus | Glossy Flowerpiercer Diglossa lafresnayii | 1 | 0 | 1 |
| Common Scale-backed Antbird Willisornis poecilinotus | Reddish-winged Bare-eye Phlegopsis erythroptera | 1 | 0 | 1 |
| Marañon Crescentchest Melanopareia maranonica | Elegant Crescentchest Melanopareia elegans | 1 | 1 | 0 |
| Ash-throated Gnateater Conopophaga peruviana | Undulated Antpitta Grallaria squamigera | 1 | 1 | 0 |
| Bay Antpitta Grallaria capitalis | Rusty-bellied Brushfinch Atlapetes nationi | 1 | 1 | 0 |
| Ayacucho Antpitta Grallaria ayacuchensis | Ecuadorian Seedeater Amaurospiza aequatorialis | 1 | 1 | 0 |
| Equatorial Antpitta Grallaria saturata | Chestnut Antpitta Grallaria blakei | 1 | 1 | 0 |
| Ash-coloured Tapaculo Myornis senilis | Ancash Tapaculo Scytalopus affinis | 1 | 0 | 1 |
| Ash-coloured Tapaculo Myornis senilis | Rufous-vented Tapaculo Scytalopus femoralis | 1 | 0 | 1 |
| Ash-coloured Tapaculo Myornis senilis | Large-footed Tapaculo Scytalopus macropus | 1 | 0 | 1 |
| Bolivian Tapaculo Scytalopus bolivianus | Tumbes Pewee Contopus punensis | 1 | 1 | 0 |
| Rufous-vented Tapaculo Scytalopus femoralis | Large-footed Tapaculo Scytalopus macropus | 1 | 1 | 0 |
| Utcubamba Tapaculo Scytalopus intermedius | Unicoloured Tapaculo Scytalopus unicolor | 1 | 1 | 0 |
| Coastal Miner Geositta peruviana | Puna Miner Geositta punensis | 1 | 1 | 0 |
| Slender-billed Miner Geositta tenuirostris | Thick-billed Miner Geositta crassirostris | 1 | 1 | 0 |
| Tyrannine Woodcreeper Dendrocincla tyrannina | Cinnamon Manakin-Tyrant Neopipo cinnamomea | 1 | 0 | 1 |
| Tyrannine Woodcreeper Dendrocincla tyrannina | Fulvous Wren Cinnycerthia fulva | 1 | 1 | 0 |
| White-chinned Woodcreeper Dendrocincla merula | Velvet-fronted Grackle Lampropsar tanagrinus | 1 | 1 | 0 |
| Bar-bellied Woodcreeper Hylexetastes stresemanni | Strong-billed Woodcreeper Xiphocolaptes promeropirhynchus | 1 | 1 | 0 |
| Olive-backed Woodcreeper Xiphorhynchus triangularis | Southern Scrub-Flycatcher Sublegatus modestus | 1 | 0 | 1 |
| Rufous-tailed Foliage-gleaner Anabacerthia ruficaudata | Buff-browed Foliage-gleaner Syndactyla rufosuperciliata | 1 | 1 | 0 |
| Eastern Woodhaunter Automolus subulatus | Tawny Tit-Spinetail Sylviorthorhynchus yanacensis | 1 | 1 | 0 |
| Olive-backed Foliage-gleaner Automolus infuscatus | Citron-bellied Attila Attila citriniventris | 1 | 0 | 1 |
| Pearled Treerunner Margarornis squamiger | Rusty-crowned Tit-Spinetail Leptasthenura pileata | 1 | 1 | 0 |
| Plain-mantled Tit-Spinetail Leptasthenura aegithaloides | Streaked Tit-Spinetail Leptasthenura striata | 1 | 1 | 0 |
| Line-fronted Canastero Asthenes urubambensis | Many-striped Canastero Asthenes flammulata | 1 | 0 | 1 |
| Streak-backed Canastero Asthenes wyatti | Streak-throated Canastero Asthenes humilis | 1 | 0 | 1 |
| Streak-throated Canastero Asthenes humilis | Cordilleran Canastero Asthenes modesta | 1 | 0 | 1 |
| Russet-mantled Softtail Cranioleuca berlepschi | Marcapata Spinetail Cranioleuca marcapatae | 1 | 0 | 1 |
| Line-cheeked Spinetail Cranioleuca antisiensis | Ochre-faced Tody-Flycatcher Poecilotriccus plumbeiceps | 1 | 1 | 0 |
| Great Spinetail Synallaxis hypochondriaca | Bananaquit Coereba flaveola | 1 | 0 | 1 |
| Dark-breasted Spinetail Synallaxis albigularis | Pale-breasted Spinetail Synallaxis albescens | 1 | 1 | 0 |
| Pale-breasted Spinetail Synallaxis albescens | Apurimac Spinetail Synallaxis courseni | 1 | 1 | 0 |
| Fiery-capped Manakin Machaeropterus pyrocephalus | Plumbeous Black-Tyrant Knipolegus cabanisi | 1 | 0 | 1 |
| Scaled Fruiteater Ampelioides tschudii | Bay-vented Cotinga Doliornis sclateri | 1 | 1 | 0 |
| Plum-throated Cotinga Cotinga maynana | Spangled Cotinga Cotinga cayana | 1 | 0 | 1 |
| Plum-throated Cotinga Cotinga maynana | Red-crested Finch Coryphospingus cucullatus | 1 | 0 | 1 |
| Black-faced Cotinga Conioptilon mcilhennyi | Black-headed Hemispingus Pseudospingus verticalis | 1 | 0 | 1 |
| White-winged Becard Pachyramphus polychopterus | Black-capped Becard Pachyramphus marginatus | 1 | 1 | 0 |
| Whiskered Flycatcher Myiobius barbatus | Golden-collared Honeycreeper Iridophanes pulcherrimus | 1 | 1 | 0 |
| Short-tailed Pygmy-Tyrant Myiornis ecaudatus | White-bellied Tody-Tyrant Hemitriccus griseipectus | 1 | 1 | 0 |
| Helmeted Pygmy-Tyrant Lophotriccus galeatus | Acre Tody-Tyrant Hemitriccus cohnhafti | 1 | 0 | 1 |
| Yungas Tody-Tyrant Hemitriccus spodiops | Acre Tody-Tyrant Hemitriccus cohnhafti | 1 | 1 | 0 |
| Flammulated Pygmy-Tyrant Hemitriccus flammulatus | White-lored Tyrannulet Ornithion inerme | 1 | 1 | 0 |
| Yellow-margined Flatbill Tolmomyias assimilis | Grey-crowned Flatbill Tolmomyias poliocephalus | 1 | 1 | 0 |
| Cinnamon Flycatcher Pyrrhomyias cinnamomeus | Cliff Flycatcher Hirundinea ferruginea | 1 | 0 | 1 |
| Handsome Flycatcher Nephelomyias pulcher | Bran-coloured Flycatcher Myiophobus fasciatus | 1 | 1 | 0 |
| Tumbesian Tyrannulet Nesotriccus tumbezanus | Golden-bellied Euphonia Euphonia chrysopasta | 1 | 1 | 0 |
| Marañon Tyrannulet Nesotriccus maranonicus | Greyish Mourner Rhytipterna simplex | 1 | 1 | 0 |
| Forest Elaenia Myiopagis gaimardii | Amazonian Elaenia Myiopagis cinerea | 1 | 0 | 1 |
| Torrent Tyrannulet Serpophaga cinerea | White-browed Ground-Tyrant Muscisaxicola albilora | 1 | 0 | 1 |
| River Tyrannulet Serpophaga hypoleuca | Sooty-headed Tyrannulet Phyllomyias griseiceps | 1 | 1 | 0 |
| Black-capped Tyrannulet Tyranniscus nigrocapillus | Yellow-winged Blackbird Agelasticus thilius | 1 | 0 | 1 |
| Flavescent Flycatcher Myiophobus flavicans | Olive-chested Flycatcher Myiophobus cryptoxanthus | 1 | 1 | 0 |
| Euler's Flycatcher Lathrotriccus euleri | White-rumped Sirystes Sirystes albocinereus | 1 | 0 | 1 |
| Western Wood-Pewee Contopus sordidulus | Eastern Wood-Pewee Contopus virens | 1 | 1 | 0 |
| Amazonian Black-Tyrant Knipolegus poecilocercus | Mountain Cacique Cacicus chrysonotus | 1 | 0 | 1 |
| Jelski's Black-Tyrant Knipolegus signatus | Drab Water Tyrant Ochthornis littoralis | 1 | 1 | 0 |
| Rufous-naped Ground-Tyrant Muscisaxicola rufivertex | Saffron Finch Sicalis flaveola | 1 | 0 | 1 |
| Grey Monjita Nengetus cinereus | Black-billed Shrike-Tyrant Agriornis montanus | 1 | 1 | 0 |
| Crowned Chat-Tyrant Silvicultrix frontalis | Brown-backed Chat-Tyrant Ochthoeca fumicolor | 1 | 1 | 0 |
| Golden-bellied Flycatcher Myiodynastes hemichrysus | Tropical Kingbird Tyrannus melancholicus | 1 | 1 | 0 |
| Sulphur-bellied Flycatcher Myiodynastes luteiventris | Variegated Flycatcher Empidonomus varius | 1 | 1 | 0 |
| Red-eyed Vireo Vireo olivaceus | Chivi Vireo Vireo chivi | 1 | 0 | 1 |
| Northern House Wren Troglodytes aedon | Grass Wren Cistothorus platensis | 1 | 0 | 1 |
| Northern House Wren Troglodytes aedon | Thrush-like Wren Campylorhynchus turdinus | 1 | 1 | 0 |
| Golden-bellied Euphonia Euphonia chrysopasta | Bronze-green Euphonia Euphonia mesochrysa | 1 | 1 | 0 |
| Tricoloured Brushfinch Atlapetes tricolor | Saffron Finch Sicalis flaveola | 1 | 0 | 1 |
| Scarlet-rumped Cacique Cacicus uropygialis | Flame-rumped Tanager Ramphocelus flammigerus | 1 | 0 | 1 |
| Casqued Cacique Cacicus oseryi | Yellow-tailed Oriole Icterus mesomelas | 1 | 1 | 0 |
| Yellow-tailed Oriole Icterus mesomelas | Orange-backed Troupial Icterus croconotus | 1 | 0 | 1 |
| Russet-crowned Warbler Myiothlypis coronata | Slate-throated Redstart Myioborus miniatus | 1 | 0 | 1 |
| Yellow-lored Tanager Chlorothraupis frenata | Ecuadorian Seedeater Amaurospiza aequatorialis | 1 | 1 | 0 |
| Black-faced Tanager Schistochlamys melanopis | Black-cowled Saltator Saltator nigriceps | 1 | 1 | 0 |
| Orange-headed Tanager Thlypopsis sordida | Rust-and-yellow Tanager Thlypopsis ruficeps | 1 | 0 | 1 |
| Plain-tailed Warbling Finch Microspingus alticola | Three-striped Hemispingus Microspingus trifasciatus | 1 | 1 | 0 |
| Yellow-crested Tanager Loriotus rufiventer | White-shouldered Tanager Loriotus luctuosus | 1 | 1 | 0 |
| Masked Mountain Tanager Tephrophilus wetmorei | Buff-breasted Mountain Tanager Dubusia taeniata | 1 | 0 | 1 |
| Orange-eared Tanager Chlorochrysa calliparaea | Green-and-gold Tanager Tangara schrankii | 1 | 0 | 1 |
| Dotted Tanager Ixothraupis varia | Spotted Tanager Ixothraupis punctata | 1 | 1 | 0 |
| Silvery Tanager Stilpnia viridicollis | Masked Tanager Stilpnia nigrocincta | 1 | 1 | 0 |
| Black-faced Dacnis Dacnis lineata | Yellow-bellied Dacnis Dacnis flaviventer | 1 | 0 | 1 |
| Guira Tanager Hemithraupis guira | Yellow-backed Tanager Hemithraupis flavicollis | 1 | 0 | 1 |
| White-browed Conebill Conirostrum ferrugineiventre | Streaked Saltator Saltator striatipectus | 1 | 1 | 0 |
| Glossy Flowerpiercer Diglossa lafresnayii | Black Flowerpiercer Diglossa humeralis | 1 | 1 | 0 |
| Rusty Flowerpiercer Diglossa sittoides | Crimson-breasted Finch Rhodospingus cruentus | 1 | 0 | 1 |
| White-throated Sierra Finch Idiopsar erythronotus | Glacier Finch Idiopsar speculifer | 1 | 0 | 1 |
| Boulder Finch Idiopsar brachyurus | Plumbeous Sierra Finch Geospizopsis unicolor | 1 | 1 | 0 |
| Boulder Finch Idiopsar brachyurus | Black-masked Finch Coryphaspiza melanotis | 1 | 0 | 1 |
| Drab Hemispingus Pseudospingus xanthophthalmus | Grey-hooded Bush Tanager Cnemoscopus rubrirostris | 1 | 1 | 0 |
| Rufous-browed Hemispingus Poospiza rufosuperciliaris | Rufous-breasted Warbling Finch Poospiza rubecula | 1 | 1 | 0 |
| Collared Warbling Finch Poospiza hispaniolensis | Puna Yellow-Finch Sicalis lutea | 1 | 1 | 0 |
| Puna Yellow-Finch Sicalis lutea | Bright-rumped Yellow-Finch Sicalis uropygialis | 1 | 1 | 0 |
| Parrot-billed Seedeater Sporophila peruviana | Drab Seedeater Sporophila simplex | 1 | 1 | 0 |
| Yellow-bellied Seedeater Sporophila nigricollis | Slate-coloured Seedeater Sporophila schistacea | 1 | 1 | 0 |
| Slate-coloured Seedeater Sporophila schistacea | Plumbeous Seedeater Sporophila plumbea | 1 | 1 | 0 |
| Little Tinamou Crypturellus soui | Undulated Tinamou Crypturellus undulatus | 1 | 0 | 1 |
| Plumbeous Seedeater Sporophila plumbea | Plain-coloured Seedeater Catamenia inornata | 1 | 0 | 1 |
| Brazilian Tinamou Crypturellus strigulosus | Grey-legged Tinamou Crypturellus duidae | 1 | 1 | 0 |