- Razorbill
- Red-backed Shrike
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Quelea
- Red-billed Tropicbird
- Red-breasted Merganser
- Red-chested Sunbird
- Red-collared Widowbird
- Red-eyed Dove
- Red-faced Cisticola
- Red-headed Bluebill
- Red-headed Lovebird
- Red-headed Malimbe
- Red-headed Weaver
- Red-necked Phalarope
- Red-necked Spurfowl
- Red-shouldered Hawk
- Red-tailed Hawk
- Red-throated Loon
- Red-vented Bulbul
- Red-whiskered Bulbul
- Red-winged Blackbird
- Red Knot
- Redwing
- Ring-billed Gull
- Ring-necked Dove
- Ringed Kingfisher
- Rock Bunting
- Rock Ptarmigan
- Rook
- Rose-ringed Parakeet
- Ross's Turaco
- Royal Tern
- Ruddy Duck
- Ruddy Turnstone
- Ruff
- Rufous-naped Lark
- Rüppell's Starling