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 |
|---|---|---|---|---|
| Plain-crested Elaenia Elaenia cristata | Rufous-crowned Elaenia Elaenia ruficeps | 2 | 0 | 2 |
| Black-bellied Whistling-Duck Dendrocygna autumnalis | Fulvous Whistling-Duck Dendrocygna bicolor | 1 | 0 | 1 |
| Plain-breasted Ground Dove Columbina minuta | Ruddy Ground Dove Columbina talpacoti | 1 | 0 | 1 |
| Little Cuckoo Coccycua minuta | Common Squirrel-Cuckoo Piaya cayana | 1 | 1 | 0 |
| Band-rumped Swift Chaetura spinicaudus | Short-tailed Swift Chaetura brachyura | 1 | 1 | 0 |
| Rufous-breasted Hermit Glaucis hirsutus | Pale-tailed Barbthroat Threnetes leucurus | 1 | 1 | 0 |
| Little Hermit Phaethornis longuemareus | Brown Violetear Colibri delphinae | 1 | 1 | 0 |
| Green-tailed Goldenthroat Polytmus theresiae | Black-throated Mango Anthracothorax nigricollis | 1 | 1 | 0 |
| Rufous-throated Sapphire Hylocharis sapphirina | White-chinned Sapphire Chlorestes cyanus | 1 | 1 | 0 |
| Long-tailed Skua Stercorarius longicaudus | Arctic Skua Stercorarius parasiticus | 1 | 1 | 0 |
| Least Tern Sternula antillarum | Yellow-billed Tern Sternula superciliaris | 1 | 0 | 1 |
| Lesser Yellow-headed Vulture Cathartes burrovianus | Greater Yellow-headed Vulture Cathartes melambrotus | 1 | 0 | 1 |
| Black-collared Hawk Busarellus nigricollis | Double-toothed Kite Harpagus bidentatus | 1 | 1 | 0 |
| Snail Kite Rostrhamus sociabilis | Slender-billed Kite Helicolestes hamatus | 1 | 0 | 1 |
| Plumbeous Kite Ictinia plumbea | Bicoloured Hawk Astur bicolor | 1 | 0 | 1 |
| Crane Hawk Geranospiza caerulescens | Great Black Hawk Buteogallus urubitinga | 1 | 1 | 0 |
| Bicoloured Hawk Astur bicolor | Rufous Crab Hawk Buteogallus aequinoctialis | 1 | 0 | 1 |
| Great Black Hawk Buteogallus urubitinga | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| White Hawk Pseudastur albicollis | Grey-lined Hawk Buteo nitidus | 1 | 0 | 1 |
| Black-faced Hawk Leucopternis melanops | Short-tailed Hawk Buteo brachyurus | 1 | 0 | 1 |
| White Hawk Pseudastur albicollis | Zone-tailed Hawk Buteo albonotatus | 1 | 0 | 1 |
| Black-tailed Trogon Trogon melanurus | Green-backed Trogon Trogon viridis | 1 | 1 | 0 |
| Amazonian Black-throated Trogon Trogon rufus | Collared Trogon Trogon collaris | 1 | 0 | 1 |
| Paradise Jacamar Galbula dea | Great Jacamar Jacamerops aureus | 1 | 0 | 1 |
| Golden-spangled Piculet Picumnus exilis | Arrowhead Piculet Picumnus minutissimus | 1 | 1 | 0 |
| Slaty-backed Forest-Falcon Micrastur mirandollei | Lined Forest-Falcon Micrastur gilvicollis | 1 | 1 | 0 |
| Caica Parrot Pyrilia caica | Dusky Parrot Pionus fuscus | 1 | 0 | 1 |
| Red-and-green Macaw Ara chloropterus | Red-shouldered Macaw Diopsittaca nobilis | 1 | 0 | 1 |
| Rufous-rumped Antwren Euchrepomis callinota | Ash-winged Antwren Euchrepomis spodioptila | 1 | 0 | 1 |
| Ash-winged Antwren Euchrepomis spodioptila | Fasciated Antshrike Cymbilaimus lineatus | 1 | 1 | 0 |
| Band-tailed Antshrike Thamnophilus melanothorax | Dusky-throated Antshrike Thamnomanes ardesiacus | 1 | 1 | 0 |
| Spot-tailed Antwren Herpsilochmus sticturus | Todd's Antwren Herpsilochmus stictocephalus | 1 | 1 | 0 |
| Silvered Antbird Sclateria naevia | Spot-winged Antbird Myrmelastes leucostigma | 1 | 1 | 0 |
| Long-tailed Woodcreeper Deconychura longicauda | White-chinned Woodcreeper Dendrocincla merula | 1 | 1 | 0 |
| Pale-bellied Tyrant-Manakin Neopelma pallescens | Saffron-crested Tyrant-Manakin Neopelma chrysocephalum | 1 | 1 | 0 |
| Yellow-olive Flatbill Tolmomyias sulphurescens | Grey-crowned Flatbill Tolmomyias poliocephalus | 1 | 1 | 0 |
| Suiriri Flycatcher Suiriri suiriri | Bearded Tachuri Polystictus pectoralis | 1 | 1 | 0 |
| Chapada Flycatcher Guyramemua affine | Northern Scrub-Flycatcher Sublegatus arenarum | 1 | 1 | 0 |
| Pale-bellied Mourner Rhytipterna immunda | Short-crested Flycatcher Myiarchus ferox | 1 | 1 | 0 |
| Southern Martin Progne elegans | Brown-chested Martin Progne tapera | 1 | 0 | 1 |
| Blue-and-white Swallow Pygochelidon cyanoleuca | Black-collared Swallow Pygochelidon melanoleuca | 1 | 0 | 1 |
| Pale-breasted Thrush Turdus leucomelas | White-necked Thrush Turdus albicollis | 1 | 0 | 1 |
| White-lined Tanager Tachyphonus rufus | Fulvous Shrike-Tanager Lanio fulvus | 1 | 1 | 0 |
| Yellow-backed Tanager Hemithraupis flavicollis | Bicoloured Conebill Conirostrum bicolor | 1 | 1 | 0 |
| Chestnut-bellied Seedeater Sporophila castaneiventris | Ruddy-breasted Seedeater Sporophila minuta | 1 | 0 | 1 |
| Ruddy-breasted Seedeater Sporophila minuta | Chestnut-bellied Seed-Finch Sporophila angolensis | 1 | 0 | 1 |