- Rattling Cisticola
- Red-and-yellow Barbet
- Red-backed Flameback
- Red-backed Shrike
- Red-bellied Paradise Flycatcher
- Red-bellied Parrot
- Red-billed Buffalo Weaver
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Leiothrix
- Red-billed Oxpecker
- Red-billed Pigeon
- Red-billed Quelea
- Red-billed Teal
- Red-breasted Merganser
- Red-breasted Swallow
- Red-capped Lark
- Red-capped Robin-Chat
- Red-cheeked Cordon-bleu
- Red-chested Cuckoo
- Red-chested Owlet
- Red-chested Sunbird
- Red-chested Swallow
- Red-collared Widowbird
- Red-crested Korhaan
- Red-crested Pochard
- Red-crowned Ant Tanager
- Red-crowned Woodpecker
- Red-eyed Dove
- Red-faced Barbet
- Red-faced Cisticola
- Red-faced Crombec
- Red-faced Mousebird
- Red-faced Spinetail
- Red-flanked Bluetail
- Red-footed Falcon
- Red-fronted Barbet
- Red-fronted Parrot
- Red-fronted Prinia
- Red-fronted Tinkerbird
- Red-gartered Coot
- Red-headed Barbet
- Red-headed Bluebill
- Red-headed Lovebird
- Red-headed Malimbe
- Red-headed Weaver
- Red-knobbed Coot
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-legged Thrush
- Red-lored Amazon
- Red-necked Grebe
- Red-necked Spurfowl
- Red-rumped Swallow
- Red-rumped Wheatear
- Red-tailed Ant Thrush
- Red-tailed Bristlebill
- Red-tailed Shrike
- Red-throated Ant Tanager
- Red-throated Bee-eater
- Red-throated Loon
- Red-throated Pipit
- Red-throated Tit
- Red-throated Twinspot
- Red-throated Wryneck
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-whiskered Bulbul
- Red-winged Blackbird
- Red-winged Lark
- Red-winged Prinia
- Red-winged Starling
- Red Avadavat
- Red Crossbill
- Red Fody
- Red Kite
- Red Knot
- Redwing
- Reed Cormorant
- Reichenow's Seedeater
- Resplendent Quetzal
- Retz's Helmetshrike
- Reunion Bulbul
- Reunion Grey White-eye
- Reunion Harrier
- Reunion Olive White-eye
- Reunion Stonechat
- Ring-necked Dove
- Ring Ouzel
- Ringed Kingfisher
- Ringed Teal
- River Warbler
- Riverside Wren
- Rivoli's Hummingbird
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rock Kestrel
- Rock Martin
- Rock Pratincole
- Rock Sparrow
- Rook
- Rose-ringed Parakeet
- Rose-throated Becard
- Roseate Spoonbill
- Roseate Tern
- Ross's Gull
- Ross's Turaco
- Rosy-patched Bushshrike
- Rosy-throated Longclaw
- Rosy Starling
- Royal Tern
- Ruby-throated Hummingbird
- Ruddy-tailed Flycatcher
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Rufous-and-white Wren
- Rufous-collared Sparrow
- Rufous-naped Lark
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Palm Thrush
- Rufous-tailed Plantcutter
- Rufous-vented Paradise Flycatcher
- Rufous Chatterer
- Rufous Motmot
- Rüppell's Robin-Chat
- Rüppell's Starling
- Rüppell's Vulture