- Rainbow Bee-eater
- Red-backed Shrike
- Red-bellied Fruit Dove
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Quelea
- Red-browed Finch
- Red-capped Plover
- Red-cheeked Cordon-bleu
- Red-crested Pochard
- Red-eyed Dove
- Red-faced Warbler
- Red-footed Falcon
- Red-legged Partridge
- Red-necked Falcon
- Red-necked Stint
- Red-rumped Parrot
- Red-shouldered Hawk
- Red-tailed Black Cockatoo
- Red-tailed Hawk
- Red-throated Pipit
- Red-vented Bulbul
- Red-winged Blackbird
- Red Fody
- Red Kite
- Red Knot
- Red Phalarope
- Red Wattlebird
- Redwing
- Reed Cormorant
- Reunion Bulbul
- Reunion Grey White-eye
- Reunion Olive White-eye
- Reunion Stonechat
- Rock Bunting
- Rock Ptarmigan
- Rock Sparrow
- Rock Wren
- Rockwarbler
- Royal Penguin
- Ruby-crowned Kinglet
- Ruddy Duck
- Ruddy Turnstone
- Ruff
- Ruffed Grouse
- Rufous Fantail
- Rufous Whistler
- Rüppell's Vulture