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 |
|---|---|---|---|---|
| Buru Green-Pigeon Treron aromaticus | Sumba Green-Pigeon Treron teysmannii | 1 | 1 | 0 |
| Timor Imperial-Pigeon Ducula cineracea | Pied Imperial-Pigeon Ducula bicolor | 1 | 1 | 0 |
| Sumatran Ground-Cuckoo Carpococcyx viridis | Bornean Ground-Cuckoo Carpococcyx radiceus | 1 | 0 | 1 |
| Chestnut-breasted Cuckoo Cacomantis castaneiventris | Fan-tailed Cuckoo Cacomantis flabelliformis | 1 | 0 | 1 |
| Grey Nightjar Caprimulgus jotaka | Large-tailed Nightjar Caprimulgus macrurus | 1 | 1 | 0 |
| Waterfall Swift Hydrochous gigas | Cave Swiftlet Collocalia linchi | 1 | 0 | 1 |
| Plume-toed Swiftlet Collocalia affinis | Common Tailorbird Orthotomus sutorius | 1 | 1 | 0 |
| Arctic Skua Stercorarius parasiticus | Pomarine Skua Stercorarius pomarinus | 1 | 0 | 1 |
| Swinhoe's Storm-Petrel Hydrobates monorhis | Matsudaira's Storm-Petrel Hydrobates matsudairae | 1 | 0 | 1 |
| Osprey Pandion haliaetus | Black-winged Kite Elanus caeruleus | 1 | 0 | 1 |
| Lesser Masked-Owl Tyto sororcula | Minahasa Masked-Owl Tyto inexspectata | 1 | 0 | 1 |
| Salvadori's Nightjar Caprimulgus pulchellus | Halmahera Boobook Ninox hypogramma | 1 | 0 | 1 |
| Helmeted Hornbill Rhinoplax vigil | Great Hornbill Buceros bicornis | 1 | 1 | 0 |
| Sangihe Lilac Kingfisher Cittura sanghirensis | Sulawesi Lilac Kingfisher Cittura cyanotis | 1 | 1 | 0 |
| Yellow-billed Kingfisher Syma torotoro | Mountain Kingfisher Syma megarhyncha | 1 | 0 | 1 |
| Oriental Darter Anhinga melanogaster | Lineated Barbet Psilopogon lineatus | 1 | 0 | 1 |
| Sunda Pygmy Woodpecker Yungipicus moluccensis | Freckle-breasted Woodpecker Dendrocopos analis | 1 | 0 | 1 |
| Painted Tiger-Parrot Psittacella picta | Brehm's Tiger-Parrot Psittacella brehmii | 1 | 1 | 0 |
| Sulawesi Hanging-Parrot Loriculus stigmatus | Moluccan Hanging-Parrot Loriculus amabilis | 1 | 0 | 1 |
| Short-bearded Honeyeater Melionyx nouhuysi | Fulvous-chested Jungle Flycatcher Cyornis olivaceus | 1 | 1 | 0 |
| Green-billed Malkoha Phaenicophaeus tristis | Brown Honeyeater Lichmera indistincta | 1 | 0 | 1 |
| Buru Honeyeater Lichmera deningeri | Seram Honeyeater Lichmera monticola | 1 | 1 | 0 |
| Buff-faced Scrubwren Aethomyias perspicillatus | Chestnut-crowned Warbler Phylloscopus castaniceps | 1 | 1 | 0 |
| Black-faced Cuckooshrike Coracina novaehollandiae | Moluccan Cuckooshrike Coracina atriceps | 1 | 0 | 1 |
| Sulawesi Cicadabird Edolisoma morio | Timor Leaf Warbler Phylloscopus presbytes | 1 | 1 | 0 |
| Banded Broadbill Eurylaimus javanicus | Sahul Cicadabird Edolisoma tenuirostre | 1 | 0 | 1 |
| Sula Cicadabird Edolisoma sula | Grey-headed Cicadabird Edolisoma schisticeps | 1 | 0 | 1 |
| Sclater's Whistler Pachycephala soror | Tenggara Whistler Pachycephala calliope | 1 | 1 | 0 |
| Hooded Pitohui Pitohui dichrous | Purple-throated Sunbird Leptocoma sperata | 1 | 1 | 0 |
| Black-backed Butcherbird Cracticus mentalis | Scaly-breasted Munia Lonchura punctulata | 1 | 1 | 0 |
| Square-tailed Drongo-Cuckoo Surniculus lugubris | Rufous-winged Philentoma Philentoma pyrhoptera | 1 | 0 | 1 |
| Dimorphic Fantail Rhipidura brachyrhyncha | Sulawesi Fantail Rhipidura teysmanni | 1 | 0 | 1 |
| Obi Paradise-crow Lycocorax obiensis | Trumpet Manucode Phonygammus keraudrenii | 1 | 0 | 1 |
| Tahiti Petrel Pseudobulweria rostrata | Vogelkop Lophorina Lophorina superba | 1 | 0 | 1 |
| Rufous-tailed Fantail Rhipidura phoenicura | King Bird-of-Paradise Cicinnurus regius | 1 | 0 | 1 |
| Black-naped Monarch Hypothymis azurea | Pale-blue Monarch Hypothymis puella | 1 | 0 | 1 |
| Common Tailorbird Orthotomus sutorius | Olive-backed Tailorbird Orthotomus sepium | 1 | 1 | 0 |
| Ashy Tailorbird Orthotomus ruficeps | Yellow-bellied Prinia Prinia flaviventris | 1 | 1 | 0 |
| Ashy Tailorbird Orthotomus ruficeps | Forest Wagtail Dendronanthus indicus | 1 | 1 | 0 |
| Common Tailorbird Orthotomus sutorius | Yellow-bellied Prinia Prinia flaviventris | 1 | 0 | 1 |
| Zitting Cisticola Cisticola juncidis | Golden-headed Cisticola Cisticola exilis | 1 | 1 | 0 |
| Timor Leaf Warbler Phylloscopus presbytes | Lompobattang Leaf Warbler Phylloscopus sarasinorum | 1 | 1 | 0 |
| Pygmy Heleia Heleia squamifrons | Lemon-bellied White-eye Zosterops chloris | 1 | 1 | 0 |
| Chestnut-winged Babbler Cyanoderma erythropterum | Grey-hooded Babbler Cyanoderma bicolor | 1 | 1 | 0 |
| Sulawesi Babbler Pellorneum celebense | Abbott's Babbler Malacocincla abbotti | 1 | 0 | 1 |
| Yellow-breasted Flowerpecker Prionochilus maculatus | Crimson-breasted Flowerpecker Prionochilus percussus | 1 | 0 | 1 |
| Crimson-breasted Flowerpecker Prionochilus percussus | Yellow-rumped Flowerpecker Prionochilus xanthopygius | 1 | 0 | 1 |
| Golden-rumped Flowerpecker Dicaeum annae | Thick-billed Flowerpecker Pachyglossa agilis | 1 | 1 | 0 |
| Thick-billed Spiderhunter Arachnothera crassirostris | Long-billed Spiderhunter Arachnothera robusta | 1 | 1 | 0 |
| Streak-headed Munia Mayrimunia tristissima | White-spotted Munia Mayrimunia leucosticta | 1 | 0 | 1 |
| Brown-throated Sunbird Anthreptes malacensis | White-headed Munia Lonchura maja | 1 | 0 | 1 |
| Madanga Anthus ruficollis | Red-throated Pipit Anthus cervinus | 1 | 1 | 0 |