- Red-billed Chough
- Red-billed Firefinch
- Red-billed Quelea
- Red-cheeked Cordon-bleu
- Red-legged Seriema
- Red-necked Falcon
- Red-rumped Wheatear
- Red-throated Pipit
- Red-whiskered Bulbul
- Red Fody
- Red Knot
- Redwing
- Reed Cormorant
- Reunion Bulbul
- Reunion Grey White-eye
- Reunion Olive White-eye
- Reunion Stonechat
- Ring-billed Gull
- Ring-necked Duck
- Rock Sparrow
- Rook
- Rosy-billed Pochard
- Royal Tern