| Oaxaca Sparrow Aimophila notosticta | Passeriformes / Passerellidae | LC |
| Rusty Sparrow Aimophila rufescens | Passeriformes / Passerellidae | LC |
| Rufous-crowned Sparrow Aimophila ruficeps | Passeriformes / Passerellidae | LC |
| Oahu Akialoa Akialoa ellisiana | Passeriformes / Fringillidae | EX |
| Maui-nui Akialoa Akialoa lanaiensis | Passeriformes / Fringillidae | EX |
| Lesser Akialoa Akialoa obscura | Passeriformes / Fringillidae | EX |
| Kauai Akialoa Akialoa stejnegeri | Passeriformes / Fringillidae | EX |
| Goeldi's Antbird Akletos goeldii | Passeriformes / Thamnophilidae | LC |
| White-shouldered Antbird Akletos melanoceps | Passeriformes / Thamnophilidae | LC |
| Greater Hoopoe-Lark Alaemon alaudipes | Passeriformes / Alaudidae | LC |
| Lesser Hoopoe-Lark Alaemon hamertoni | Passeriformes / Alaudidae | LC |
| Raso Lark Alauda razae | Passeriformes / Alaudidae | CR |
| Sand Lark Alaudala raytal | Passeriformes / Alaudidae | LC |
| Somali Short-toed Lark Alaudala somalica | Passeriformes / Alaudidae | LC |
| Razorbill Alca torda | Charadriiformes / Alcidae | LC |
| Cerulean Kingfisher Alcedo coerulescens | Coraciiformes / Alcedinidae | LC |
| Javan Blue-banded Kingfisher Alcedo euryzona | Coraciiformes / Alcedinidae | CR |
| Malaysian Blue-banded Kingfisher Alcedo peninsulae | Coraciiformes / Alcedinidae | NT |
| Shining-blue Kingfisher Alcedo quadribrachys | Coraciiformes / Alcedinidae | LC |
| Half-collared Kingfisher Alcedo semitorquata | Coraciiformes / Alcedinidae | LC |
| Brown Fulvetta Alcippe brunneicauda | Passeriformes / Leiothrichidae | NT |
| Black-browed Fulvetta Alcippe grotei | Passeriformes / Leiothrichidae | LC |
| Mountain Fulvetta Alcippe peracensis | Passeriformes / Leiothrichidae | LC |
| Javan Fulvetta Alcippe pyrrhoptera | Passeriformes / Leiothrichidae | LC |
| Rufous-naped Bellbird Aleadryas rufinucha | Passeriformes / Oreoicidae | LC |
| Arabian Partridge Alectoris melanocephala | Galliformes / Phasianidae | LC |
| Philby's Partridge Alectoris philbyi | Galliformes / Phasianidae | LC |
| Red-legged Partridge Alectoris rufa | Galliformes / Phasianidae | NT |
| Madagascar Blue Pigeon Alectroenas madagascariensis | Columbiformes / Columbidae | LC |
| Mauritius Blue Pigeon Alectroenas nitidissimus | Columbiformes / Columbidae | EX |
| Seychelles Blue Pigeon Alectroenas pulcherrimus | Columbiformes / Columbidae | LC |
| Comoro Blue Pigeon Alectroenas sganzini | Columbiformes / Columbidae | NT |
| Strange-tailed Tyrant Alectrurus risora | Passeriformes / Tyrannidae | VU |
| Cock-tailed Tyrant Alectrurus tricolor | Passeriformes / Tyrannidae | VU |
| Australian Brushturkey Alectura lathami | Galliformes / Megapodiidae | LC |
| Fire-crested Alethe Alethe castanea | Passeriformes / Muscicapidae | LC |
| White-tailed Alethe Alethe diademata | Passeriformes / Muscicapidae | LC |
| Yellow-faced Parrot Alipiopsitta xanthops | Psittaciformes / Psittacidae | NT |
| Moluccan King Parrot Alisterus amboinensis | Psittaciformes / Psittaculidae | LC |
| Papuan King Parrot Alisterus chloropterus | Psittaciformes / Psittaculidae | LC |
| Australian King Parrot Alisterus scapularis | Psittaciformes / Psittaculidae | LC |
| Little Auk Alle alle | Charadriiformes / Alcidae | LC |
| Scaly-breasted Thrasher Allenia fusca | Passeriformes / Mimidae | LC |
| Brown-cheeked Bulbul Alophoixus bres | Passeriformes / Pycnonotidae | EN |
| Palawan Bulbul Alophoixus frater | Passeriformes / Pycnonotidae | LC |
| Ochraceous Bulbul Alophoixus ochraceus | Passeriformes / Pycnonotidae | LC |
| Yellow-bellied Bulbul Alophoixus phaeocephalus | Passeriformes / Pycnonotidae | LC |
| Penan Bulbul Alophoixus ruficrissus | Passeriformes / Pycnonotidae | LC |
| Grey-cheeked Bulbul Alophoixus tephrogenys | Passeriformes / Pycnonotidae | VU |
| Tawny-headed Swallow Alopochelidon fucata | Passeriformes / Hirundinidae | LC |