| Common Name | Scientific name |
|---|---|
| Ruddy Treerunner | Margarornis rubiginosus |
| Ruddy Turnstone | Arenaria interpres |
| Ruddy Woodcreeper | Dendrocincla homochroa |
| Ruddy-breasted Seedeater | Sporophila minuta |
| Ruddy-capped Nightingale-Thrush | Catharus frantzii |
| Ruddy-headed Goose | Chloephaga rubidiceps |
| Ruddy-tailed Flycatcher | Terenotriccus erythrurus |
| Rufescent Tiger-Heron | Tigrisoma lineatum |
| Ruff | Calidris pugnax |
| Ruff | Philomachus pugnax |
| Ruffed Grouse | Bonasa umbellus |
| Rufous Hummingbird | Selasphorus rufus |
| Rufous Motmot | Baryphthengus martii |
| Rufous Mourner | Rhytipterna holerythra |
| Rufous Nightjar | Antrostomus rufus |
| Rufous Piha | Lipaugus unirufus |
| Rufous Sabrewing | Campylopterus rufus |
| Rufous-and-white Wren | Thryophilus rufalbus |
| Rufous-backed Robin | Turdus rufopalliatus |
| Rufous-bellied Chachalaca | Ortalis wagleri |
| Rufous-breasted Antthrush | Formicarius rufipectus |
| Rufous-breasted Hermit | Glaucis hirsutus |
| Rufous-breasted Spinetail | Synallaxis erythrothorax |
| Rufous-breasted Wren | Pheugopedius rutilus |
| Rufous-browed Peppershrike | Cyclarhis gujanensis |
RingBase adheres to EURING codes.
