- Red-billed Firefinch
- Red-billed Leiothrix
- Red-billed Quelea
- Red-breasted Meadowlark
- Red-breasted Merganser
- Red-breasted Nuthatch
- Red-cheeked Cordon-bleu
- Red-crested Pochard
- Red-legged Honeycreeper
- Red-rumped Cacique
- Red-wattled Lapwing
- Red-whiskered Bulbul
- Red Avadavat
- Red Fody
- Red Junglefowl
- Reunion Grey White-eye
- Reunion Harrier
- Reunion Olive White-eye
- Reunion Stonechat
- Ring-billed Gull
- Roadside Hawk
- Rock Dove
- Rose-ringed Parakeet
- Roseate Spoonbill
- Royal Tern
- Ruddy Ground Dove
- Ruddy Turnstone
- Rufous-collared Sparrow
- Rufous-tailed Hummingbird
- Rufous Motmot