| Common Name | Scientific name |
|---|---|
| American Robin | Turdus migratorius |
| American Three-toed Woodpecker | Picoides dorsalis |
| American Tree Sparrow | Spizelloides arborea |
| American White Ibis | Eudocimus albus |
| American White Pelican | Pelecanus erythrorhynchos |
| American Wigeon | Mareca americana |
| American Wigeon | Anas americana |
| American Woodcock | Scolopax minor |
| Amethyst-throated Hummingbird | Lampornis amethystinus |
| Amur Falcon | Falco amurensis |
| Ancient Murrelet | Synthliboramphus antiquus |
| Andean Goose | Chloephaga melanoptera |
| Andean coffee zone wax palm | Ceroxylon alpinum |
| Andean wax palm | Ceroxylon quindiuense |
| Anhinga | Anhinga anhinga |
| Anianiau | Magumma parva |
| Anna's Hummingbird | Calypte anna |
| Antillean Crested Hummingbird | Orthorhyncus cristatus |
| Antillean Euphonia | Euphonia musica |
| Antillean Mango | Anthracothorax dominicus |
| Antillean Nighthawk | Chordeiles gundlachii |
| Antillean Palm-Swift | Tachornis phoenicobia |
| Antillean Piculet | Nesoctites micromegas |
| Antillean Siskin | Spinus dominicensis |
| Apapane | Himatione sanguinea |
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