- Racket-tailed Treepie
- Raffles's Malkoha
- Rainbow-bearded Thornbill
- Rattling Cisticola
- Razorbill
- Red-backed Shrike
- Red-bearded Bee-eater
- Red-bellied Grackle
- Red-bellied Woodpecker
- Red-billed Buffalo Weaver
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Pigeon
- Red-billed Quelea
- Red-breasted Meadowlark
- Red-breasted Merganser
- Red-cheeked Cordon-bleu
- Red-cockaded Woodpecker
- Red-crested Pochard
- Red-crowned Amazon
- Red-crowned Woodpecker
- Red-eyed Vireo
- Red-faced Crombec
- Red-footed Falcon
- Red-headed Barbet
- Red-headed Trogon
- Red-headed Weaver
- Red-headed Woodpecker
- Red-knobbed Coot
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-necked Grebe
- Red-necked Phalarope
- Red-necked Stint
- Red-ruffed Fruitcrow
- Red-rumped Swallow
- Red-rumped Wheatear
- Red-tailed Hawk
- Red-tailed Wheatear
- Red-throated Ant Tanager
- Red-throated Pipit
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-winged Blackbird
- Red Collared Dove
- Red Junglefowl
- Red Kite
- Red Knot
- Red Phalarope
- Reddish Egret
- Redwing
- Reed Cormorant
- Richard's Pipit
- Ring-billed Gull
- Ring-necked Duck
- Ring Ouzel
- Ringed Kingfisher
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rock Ptarmigan
- Rock Sparrow
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Roseate Spoonbill
- Rosy Minivet
- Rouget's Rail
- Royal Tern
- Ruby-cheeked Sunbird
- Ruby-crowned Kinglet
- Ruby-throated Hummingbird
- Ruddy-breasted Seedeater
- Ruddy-capped Nightingale-Thrush
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Ruddy Woodcreeper
- Ruff
- Rufous-backed Wren
- Rufous-bellied Antwren
- Rufous-browed Flycatcher
- Rufous-collared Sparrow
- Rufous-crowned Sparrow
- Rufous-fronted Babbler
- Rufous-tailed Flatbill
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Tailorbird
- Rufous-winged Tanager
- Rufous-winged Woodpecker
- Rufous Motmot
- Rüppell's Black Chat
- Rüppell's Robin-Chat
- Rüppell's Starling
- Rüppell's Vulture
- Rüppell's Weaver
- Russet-throated Puffbird
- Rusty-margined Flycatcher
- Rusty Flowerpiercer