- Raiatea Fruit Dove
- Rattling Cisticola
- Razorbill
- Red-and-yellow Barbet
- Red-backed Shrike
- Red-bellied Paradise Flycatcher
- Red-bellied Woodpecker
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Quelea
- Red-billed Teal
- Red-billed Tropicbird
- Red-breasted Flycatcher
- Red-breasted Goose
- Red-breasted Merganser
- Red-cheeked Cordon-bleu
- Red-collared Widowbird
- Red-crested Pochard
- Red-crowned Woodpecker
- Red-eyed Dove
- Red-footed Booby
- Red-knobbed Coot
- Red-legged Partridge
- Red-legged Thrush
- Red-lored Amazon
- Red-necked Phalarope
- Red-rumped Cacique
- Red-shouldered Hawk
- Red-tailed Hawk
- Red-tailed Shrike
- Red-tailed Tropicbird
- Red-tailed Wheatear
- Red-throated Ant Tanager
- Red-throated Loon
- Red-throated Pipit
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-whiskered Bulbul
- Red-winged Starling
- Red Collared Dove
- Red Crossbill
- Red Fody
- Red Junglefowl
- Red Kite
- Red Knot
- Red Phalarope
- Reddish Egret
- Redpoll
- Redwing
- Reed Cormorant
- Rhinoceros Hornbill
- Richard's Pipit
- Ridgway's Hawk
- Ring-billed Gull
- Ring-necked Dove
- Ringed Kingfisher
- Ringed Teal
- Roadside Hawk
- Rock Dove
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Roseate Spoonbill
- Rosy-billed Pochard
- Rosy-faced Lovebird
- Royal Tern
- Ruddy-breasted Crake
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Rufous-naped Lark
- Rufous-tailed Hummingbird
- Rufous-vented Chachalaca
- Rüppell's Weaver