- Radjah Shelduck
- Razorbill
- Red-and-green Macaw
- Red-backed Shrike
- Red-billed Pigeon
- Red-breasted Goose
- Red-breasted Merganser
- Red-crested Pochard
- Red-crested Turaco
- Red-crowned Woodpecker
- Red-legged Partridge
- Red-necked Phalarope
- Red-rumped Parrot
- Red-shouldered Macaw
- Red-throated Loon
- Red Kite
- Redwing
- Reeves's Pheasant
- Ring Ouzel
- Ringed Kingfisher
- Ringed Teal
- Rock Dove
- Rock Ptarmigan
- Rook
- Rose-ringed Parakeet
- Roseate Spoonbill
- Ross's Goose
- Rosy-billed Pochard
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-vented Chachalaca
- Rusty-margined Flycatcher