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 |
|---|---|---|---|---|
| Carola's Parotia Parotia carolae | Wahnes's Parotia Parotia wahnesi | 2 | 2 | 0 |
| Australasian Swamphen Porphyrio melanotus | Pygmy Longbill Oedistoma pygmaeum | 2 | 0 | 2 |
| Pied Imperial-Pigeon Ducula bicolor | Yellowish Imperial-Pigeon Ducula subflavescens | 2 | 1 | 1 |
| Sclater's Crowned-Pigeon Goura sclaterii | Victoria Crowned-Pigeon Goura victoria | 1 | 1 | 0 |
| Rufescent Imperial-Pigeon Ducula chalconota | Pinon's Imperial-Pigeon Ducula pinon | 1 | 0 | 1 |
| Island Imperial-Pigeon Ducula pistrinaria | Bismarck Imperial-Pigeon Ducula melanochroa | 1 | 0 | 1 |
| Dwarf Koel Microdynamis parva | Blue Jewel-babbler Ptilorrhoa caerulescens | 1 | 1 | 0 |
| Channel-billed Cuckoo Scythrops novaehollandiae | Black-mantled Goshawk Tachyspiza melanochlamys | 1 | 1 | 0 |
| Fan-tailed Cuckoo Cacomantis flabelliformis | Brush Cuckoo Cacomantis variolosus | 1 | 0 | 1 |
| Himalayan Cuckoo Cuculus saturatus | Oriental Cuckoo Cuculus optatus | 1 | 1 | 0 |
| Papuan Nightjar Eurostopodus papuensis | Large-tailed Nightjar Caprimulgus macrurus | 1 | 0 | 1 |
| Wallace's Owlet-nightjar Aegotheles wallacii | Mountain Owlet-nightjar Aegotheles albertisi | 1 | 0 | 1 |
| Papuan Spinetail Mearnsia novaeguineae | Black-throated Robin Plesiodryas albonotata | 1 | 1 | 0 |
| Chestnut Forest Rail Rallicula rubra | Forbes's Forest Rail Rallicula forbesi | 1 | 0 | 1 |
| Chestnut Forest Rail Rallicula rubra | Chestnut-breasted Munia Lonchura castaneothorax | 1 | 0 | 1 |
| Bare-eyed Rail Gymnocrex plumbeiventris | Caspian Tern Hydroprogne caspia | 1 | 0 | 1 |
| Spotless Crake Zapornia tabuensis | Streak-headed Munia Mayrimunia tristissima | 1 | 0 | 1 |
| Beach Thick-knee Esacus magnirostris | Nankeen Night Heron Nycticorax caledonicus | 1 | 1 | 0 |
| Masked Lapwing Vanellus miles | Great-billed Heron Ardea sumatrana | 1 | 1 | 0 |
| Marsh Sandpiper Tringa stagnatilis | Common Greenshank Tringa nebularia | 1 | 0 | 1 |
| Red Knot Calidris canutus | Marbled Honeyeater Pycnopygius cinereus | 1 | 0 | 1 |
| Curlew Sandpiper Calidris ferruginea | Bougainville Monarch Monarcha erythrostictus | 1 | 0 | 1 |
| Long-toed Stint Calidris subminuta | Broad-billed Fairywren Chenorhamphus grayi | 1 | 0 | 1 |
| Red-backed Buttonquail Turnix maculosus | Doria's Hawk Megatriorchis doriae | 1 | 1 | 0 |
| Australian Pratincole Glareola isabella | Little Friarbird Philemon citreogularis | 1 | 1 | 0 |
| Oriental Pratincole Glareola maldivarum | Brown Lory Chalcopsitta duivenbodei | 1 | 0 | 1 |
| Long-tailed Skua Stercorarius longicaudus | Grand Munia Lonchura grandis | 1 | 1 | 0 |
| Great Crested Tern Thalasseus bergii | Great White Egret Ardea alba | 1 | 1 | 0 |
| Great Crested Tern Thalasseus bergii | Mussau Triller Lalage conjuncta | 1 | 1 | 0 |
| Matsudaira's Storm-Petrel Hydrobates matsudairae | Bulwer's Petrel Bulweria bulwerii | 1 | 0 | 1 |
| Great Frigatebird Fregata minor | Red-footed Booby Sula sula | 1 | 1 | 0 |
| Red-footed Booby Sula sula | Bat Hawk Macheiramphus alcinus | 1 | 1 | 0 |
| Chinese Sparrowhawk Tachyspiza soloensis | Variable Goshawk Tachyspiza hiogaster | 1 | 0 | 1 |
| Meyer's Goshawk Astur meyerianus | Black-sided Robin Poecilodryas hypoleuca | 1 | 1 | 0 |
| Brahminy Kite Haliastur indus | Sulphur-crested Cockatoo Cacatua galerita | 1 | 0 | 1 |
| Papuan Dwarf-Kingfisher Ceyx solitarius | Manus Dwarf-Kingfisher Ceyx dispar | 1 | 0 | 1 |
| Manus Dwarf-Kingfisher Ceyx dispar | New Britain Dwarf-Kingfisher Ceyx sacerdotis | 1 | 0 | 1 |
| Torresian Kingfisher Todiramphus sordidus | Sacred Kingfisher Todiramphus sanctus | 1 | 1 | 0 |
| Australian Hobby Falco longipennis | Black-browed Triller Lalage atrovirens | 1 | 0 | 1 |
| Yellow-capped Pygmy-Parrot Micropsitta keiensis | Finsch's Pygmy-Parrot Micropsitta finschii | 1 | 1 | 0 |
| Red-cheeked Parrot Geoffroyus geoffroyi | Spot-winged Monarch Symposiachrus guttula | 1 | 1 | 0 |
| White-eared Catbird Ailuroedus buccoides | King Bird-of-Paradise Cicinnurus regius | 1 | 0 | 1 |
| Masked Bowerbird Sericulus aureus | Flame Bowerbird Sericulus ardens | 1 | 1 | 0 |
| Marbled Honeyeater Pycnopygius cinereus | White-naped Friarbird Philemon albitorques | 1 | 1 | 0 |
| Ornate Melidectes Melidectes torquatus | Belford's Melidectes Melidectes belfordi | 1 | 1 | 0 |
| Cinnamon-browed Melidectes Melidectes ochromelas | Belford's Melidectes Melidectes belfordi | 1 | 1 | 0 |
| Brown-backed Honeyeater Ramsayornis modestus | Rufous-banded Honeyeater Conopophila albogularis | 1 | 0 | 1 |
| Brown-backed Honeyeater Ramsayornis modestus | Pale-billed Scrubwren Aethomyias spilodera | 1 | 1 | 0 |
| Tawny Straightbill Timeliopsis griseigula | Black-sided Robin Poecilodryas hypoleuca | 1 | 0 | 1 |
| Bismarck Black Myzomela Myzomela pammelaena | Scarlet-naped Myzomela Myzomela lafargei | 1 | 0 | 1 |
| Bismarck Black Myzomela Myzomela pammelaena | Black Sunbird Leptocoma aspasia | 1 | 1 | 0 |
| Scarlet-naped Myzomela Myzomela lafargei | Slaty-chinned Longbill Toxorhamphus poliopterus | 1 | 1 | 0 |
| Yellow-streaked Honeyeater Ptiloprora meekiana | Rufous Shrikethrush Colluricincla rufogaster | 1 | 1 | 0 |
| Brown Honeyeater Lichmera indistincta | White-throated Honeyeater Melithreptus albogularis | 1 | 1 | 0 |
| Fairy Gerygone Gerygone palpebrosa | Sahul Cicadabird Edolisoma tenuirostre | 1 | 0 | 1 |
| White-throated Gerygone Gerygone olivacea | Brown-breasted Gerygone Gerygone ruficollis | 1 | 0 | 1 |
| White-bellied Cuckooshrike Coracina papuensis | Manus Cuckooshrike Coracina ingens | 1 | 0 | 1 |
| Black-bellied Cicadabird Edolisoma montanum | Solomons Cicadabird Edolisoma holopolium | 1 | 0 | 1 |
| Black-bellied Cicadabird Edolisoma montanum | Sahul Cicadabird Edolisoma tenuirostre | 1 | 0 | 1 |
| Solomons Cicadabird Edolisoma holopolium | Bismarck Monarch Symposiachrus verticalis | 1 | 0 | 1 |
| Brown-backed Whistler Pachycephala modesta | Grey Whistler Pachycephala simplex | 1 | 0 | 1 |
| Lorentz's Whistler Pachycephala lorentzi | Greater Melampitta Megalampitta gigantea | 1 | 0 | 1 |
| White-breasted Woodswallow Artamus leucorynchus | Eastern Parotia Parotia helenae | 1 | 0 | 1 |
| Mountain Peltops Peltops montanus | Louisiade White-eye Zosterops griseotinctus | 1 | 1 | 0 |
| Tagula Butcherbird Cracticus louisiadensis | Black Butcherbird Melloria quoyi | 1 | 1 | 0 |
| Chestnut-bellied Fantail Rhipidura hyperythra | Sahul Sunbird Cinnyris frenatus | 1 | 0 | 1 |
| Curl-crested Manucode Manucodia comrii | Glossy-mantled Manucode Manucodia ater | 1 | 1 | 0 |
| Splendid Astrapia Astrapia splendidissima | Huon Astrapia Astrapia rothschildi | 1 | 0 | 1 |
| Splendid Astrapia Astrapia splendidissima | Stephanie's Astrapia Astrapia stephaniae | 1 | 0 | 1 |
| Goldie's Bird-of-Paradise Paradisaea decora | Lesser Bird-of-Paradise Paradisaea minor | 1 | 1 | 0 |
| Lesser Bird-of-Paradise Paradisaea minor | Greater Bird-of-Paradise Paradisaea apoda | 1 | 1 | 0 |
| Black-faced Monarch Monarcha melanopsis | Australian Spectacled Monarch Symposiachrus trivirgatus | 1 | 0 | 1 |
| Leaden Flycatcher Myiagra rubecula | Broad-billed Flycatcher Myiagra ruficollis | 1 | 1 | 0 |
| Satin Flycatcher Myiagra cyanoleuca | Shining Flycatcher Myiagra alecto | 1 | 0 | 1 |
| Lemon-bellied Flyrobin Microeca flavigaster | Jacky-winter Microeca fascinans | 1 | 1 | 0 |
| Black-chinned Robin Leucophantes brachyurus | Yellow-throated White-eye Zosterops metcalfii | 1 | 1 | 0 |
| Brown-winged Starling Aplonis grandis | Singing Starling Aplonis cantoroides | 1 | 1 | 0 |
| Pacific Emerald Dove Chalcophaps longirostris | Stephan's Dove Chalcophaps stephani | 1 | 1 | 0 |
| Grey Wagtail Motacilla cinerea | Eastern Yellow Wagtail Motacilla tschutschensis | 1 | 0 | 1 |
| New Guinea Bronzewing Henicophaps albifrons | Channel-billed Cuckoo Scythrops novaehollandiae | 1 | 1 | 0 |
| Peaceful Dove Geopelia placida | Bar-shouldered Dove Geopelia humeralis | 1 | 1 | 0 |