| Gilolo Fantail Rhipidura torrida | Passeriformes / Rhipiduridae | NE |
| New Caledonian Streaked Fantail Rhipidura verreauxi | Passeriformes / Rhipiduridae | LC |
| Micronesian Rufous Fantail Rhipidura versicolor | Passeriformes / Rhipiduridae | NE |
| Dulit Partridge Rhizothera dulitensis | Galliformes / Phasianidae | DD |
| Long-billed Partridge Rhizothera longirostris | Galliformes / Phasianidae | NT |
| Lesser Koa Finch Rhodacanthis flaviceps | Passeriformes / Fringillidae | EX |
| Greater Koa Finch Rhodacanthis palmeri | Passeriformes / Fringillidae | EX |
| Rosy Thrush-tanager Rhodinocichla rosea | Passeriformes / Rhodinocichlidae | LC |
| Pink-headed Duck Rhodonessa caryophyllacea | Anseriformes / Anatidae | CR |
| Rosy-patched Bushshrike Rhodophoneus cruentus | Passeriformes / Malaconotidae | LC |
| Oasis Hummingbird Rhodopis vesper | Apodiformes / Trochilidae | LC |
| Crimson-breasted Finch Rhodospingus cruentus | Passeriformes / Thraupidae | LC |
| Star-throated Antwren Rhopias gularis | Passeriformes / Thamnophilidae | LC |
| Slender Antbird Rhopornis ardesiacus | Passeriformes / Thamnophilidae | EN |
| Band-tailed Sierra Finch Rhopospina alaudina | Passeriformes / Thraupidae | LC |
| Blue Finch Rhopospina caerulescens | Passeriformes / Thraupidae | NT |
| Carbonated Sierra Finch Rhopospina carbonaria | Passeriformes / Thraupidae | LC |
| Mourning Sierra Finch Rhopospina fruticeti | Passeriformes / Thraupidae | LC |
| Western Olivaceous Flatbill Rhynchocyclus aequinoctialis | Passeriformes / Tyrannidae | NE |
| Eye-ringed Flatbill Rhynchocyclus brevirostris | Passeriformes / Tyrannidae | LC |
| Fulvous-breasted Flatbill Rhynchocyclus fulvipectus | Passeriformes / Tyrannidae | LC |
| Eastern Olivaceous Flatbill Rhynchocyclus olivaceus | Passeriformes / Tyrannidae | LC |
| Pacific Flatbill Rhynchocyclus pacificus | Passeriformes / Tyrannidae | LC |
| Thick-billed Longspur Rhynchophanes mccownii | Passeriformes / Calcariidae | LC |
| Thick-billed Parrot Rhynchopsitta pachyrhyncha | Psittaciformes / Psittacidae | EN |
| Maroon-fronted Parrot Rhynchopsitta terrisi | Psittaciformes / Psittacidae | EN |
| Tawny-faced Quail Rhynchortyx cinctus | Galliformes / Odontophoridae | NT |
| Yungas Sparrow Rhynchospiza dabbenei | Passeriformes / Passerellidae | LC |
| Tumbes Sparrow Rhynchospiza stolzmanni | Passeriformes / Passerellidae | LC |
| Chaco Sparrow Rhynchospiza strigiceps | Passeriformes / Passerellidae | LC |
| Somali Golden-winged Grosbeak Rhynchostruthus louisae | Passeriformes / Fringillidae | NT |
| Arabian Golden-winged Grosbeak Rhynchostruthus percivali | Passeriformes / Fringillidae | NT |
| Socotra Golden-winged Grosbeak Rhynchostruthus socotranus | Passeriformes / Fringillidae | LC |
| Huayco Tinamou Rhynchotus maculicollis | Tinamiformes / Tinamidae | LC |
| Red-winged Tinamou Rhynchotus rufescens | Tinamiformes / Tinamidae | LC |
| Kagu Rhynochetos jubatus | Eurypygiformes / Rhynochetidae | EN |
| Knobbed Hornbill Rhyticeros cassidix | Bucerotiformes / Bucerotidae | VU |
| Sumba Hornbill Rhyticeros everetti | Bucerotiformes / Bucerotidae | EN |
| Narcondam Hornbill Rhyticeros narcondami | Bucerotiformes / Bucerotidae | VU |
| Blyth's Hornbill Rhyticeros plicatus | Bucerotiformes / Bucerotidae | LC |
| Plain-pouched Hornbill Rhyticeros subruficollis | Bucerotiformes / Bucerotidae | VU |
| Rufous Mourner Rhytipterna holerythra | Passeriformes / Tyrannidae | LC |
| Pale-bellied Mourner Rhytipterna immunda | Passeriformes / Tyrannidae | LC |
| Greyish Mourner Rhytipterna simplex | Passeriformes / Tyrannidae | LC |
| Blue-headed Hummingbird Riccordia bicolor | Apodiformes / Trochilidae | NT |
| Brace's Emerald Riccordia bracei | Apodiformes / Trochilidae | EX |
| Puerto Rican Emerald Riccordia maugaeus | Apodiformes / Trochilidae | LC |
| Cuban Emerald Riccordia ricordii | Apodiformes / Trochilidae | LC |
| Hispaniolan Emerald Riccordia swainsonii | Apodiformes / Trochilidae | LC |
| Aztec Thrush Ridgwayia pinicola | Passeriformes / Turdidae | LC |