| Rufous-tailed Flatbill Ramphotrigon ruficauda | Passeriformes / Tyrannidae | LC |
| Bar-breasted Honeyeater Ramsayornis fasciatus | Passeriformes / Meliphagidae | LC |
| Brown-backed Honeyeater Ramsayornis modestus | Passeriformes / Meliphagidae | LC |
| Rand's Warbler Randia pseudozosterops | Passeriformes / Bernieridae | LC |
| Dodo Raphus cucullatus | Columbiformes / Columbidae | EX |
| Blue-and-yellow Tanager Rauenia bonariensis | Passeriformes / Thraupidae | NE |
| American Avocet Recurvirostra americana | Charadriiformes / Recurvirostridae | LC |
| Andean Avocet Recurvirostra andina | Charadriiformes / Recurvirostridae | LC |
| Red-necked Avocet Recurvirostra novaehollandiae | Charadriiformes / Recurvirostridae | LC |
| Common Firecrest Regulus ignicapilla | Passeriformes / Regulidae | LC |
| Madeira Firecrest Regulus madeirensis | Passeriformes / Regulidae | LC |
| Golden-crowned Kinglet Regulus satrapa | Passeriformes / Regulidae | LC |
| Pied Cuckoo-Dove Reinwardtoena browni | Columbiformes / Columbidae | NT |
| Crested Cuckoo-Dove Reinwardtoena crassirostris | Columbiformes / Columbidae | LC |
| Great Cuckoo-Dove Reinwardtoena reinwardti | Columbiformes / Columbidae | LC |
| Grand Rhabdornis Rhabdornis grandis | Passeriformes / Sturnidae | LC |
| Stripe-breasted Rhabdornis Rhabdornis inornatus | Passeriformes / Sturnidae | LC |
| Stripe-headed Rhabdornis Rhabdornis mystacalis | Passeriformes / Sturnidae | LC |
| Visayan Rhabdornis Rhabdornis rabori | Passeriformes / Sturnidae | LC |
| Wrinkled Hornbill Rhabdotorrhinus corrugatus | Bucerotiformes / Bucerotidae | EN |
| Sulawesi Hornbill Rhabdotorrhinus exarhatus | Bucerotiformes / Bucerotidae | VU |
| Writhed Hornbill Rhabdotorrhinus leucocephalus | Bucerotiformes / Bucerotidae | NT |
| Walden's Hornbill Rhabdotorrhinus waldeni | Bucerotiformes / Bucerotidae | CR |
| Mottled Berryhunter Rhagologus leucostigma | Passeriformes / Rhagologidae | LC |
| Yellow-billed Malkoha Rhamphococcyx calyorhynchus | Cuculiformes / Cuculidae | LC |
| Silver-rumped Spinetail Rhaphidura leucopygialis | Apodiformes / Apodidae | LC |
| Sabine's Spinetail Rhaphidura sabini | Apodiformes / Apodidae | LC |
| Greater Rhea Rhea americana | Rheiformes / Rheidae | NT |
| Lesser Rhea Rhea pennata | Rheiformes / Rheidae | LC |
| Harlequin Antbird Rhegmatorhina berlepschi | Passeriformes / Thamnophilidae | LC |
| Chestnut-crested Antbird Rhegmatorhina cristata | Passeriformes / Thamnophilidae | LC |
| Bare-eyed Antbird Rhegmatorhina gymnops | Passeriformes / Thamnophilidae | VU |
| White-breasted Antbird Rhegmatorhina hoffmannsi | Passeriformes / Thamnophilidae | LC |
| Hairy-crested Antbird Rhegmatorhina melanosticta | Passeriformes / Thamnophilidae | LC |
| Malayan Crested Argus Rheinardia nigrescens | Galliformes / Phasianidae | NT |
| Vietnamese Crested Argus Rheinardia ocellata | Galliformes / Phasianidae | CR |
| Crested Gallito Rhinocrypta lanceolata | Passeriformes / Rhinocryptidae | LC |
| Helmeted Hornbill Rhinoplax vigil | Bucerotiformes / Bucerotidae | CR |
| Black Scimitarbill Rhinopomastus aterrimus | Bucerotiformes / Phoeniculidae | LC |
| Forest Wood Hoopoe Rhinopomastus castaneiceps | Bucerotiformes / Phoeniculidae | LC |
| Common Scimitarbill Rhinopomastus cyanomelas | Bucerotiformes / Phoeniculidae | LC |
| Abyssinian Scimitarbill Rhinopomastus minor | Bucerotiformes / Phoeniculidae | LC |
| Jerdon's Courser Rhinoptilus bitorquatus | Charadriiformes / Glareolidae | CR |
| Bronze-winged Courser Rhinoptilus chalcopterus | Charadriiformes / Glareolidae | LC |
| Three-banded Courser Rhinoptilus cinctus | Charadriiformes / Glareolidae | LC |
| Raffles's Malkoha Rhinortha chlorophaea | Cuculiformes / Cuculidae | LC |
| Grey Fantail Rhipidura albiscapa | Passeriformes / Rhipiduridae | LC |
| Visayan Fantail Rhipidura albiventris | Passeriformes / Rhipiduridae | LC |
| White-spotted Fantail Rhipidura albogularis | Passeriformes / Rhipiduridae | LC |
| Friendly Fantail Rhipidura albolimbata | Passeriformes / Rhipiduridae | LC |