- Racket-tailed Treepie
- Rainbow-bearded Thornbill
- Rainforest Scops Owl
- Rattling Cisticola
- Razorbill
- Red-and-yellow Barbet
- Red-backed Flameback
- Red-backed Shrike
- Red-bellied Grackle
- Red-bellied Paradise Flycatcher
- Red-bellied Parrot
- Red-billed Buffalo Weaver
- Red-billed Chough
- Red-billed Emerald
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Pigeon
- Red-billed Quelea
- Red-billed Spurfowl
- Red-billed Teal
- Red-breasted Meadowlark
- Red-breasted Nuthatch
- Red-breasted Sapsucker
- Red-breasted Swallow
- Red-breasted Toucan
- Red-capped Lark
- Red-capped Manakin
- Red-capped Robin-Chat
- Red-cheeked Cordon-bleu
- Red-chested Sunbird
- Red-collared Widowbird
- Red-crested Cardinal
- Red-crested Cotinga
- Red-crested Korhaan
- Red-crested Pochard
- Red-crowned Woodpecker
- Red-eyed Dove
- Red-eyed Vireo
- Red-faced Cisticola
- Red-faced Crombec
- Red-faced Mousebird
- Red-flanked Bluetail
- Red-fronted Barbet
- Red-fronted Prinia
- Red-headed Barbet
- Red-headed Bluebill
- Red-headed Finch
- Red-headed Weaver
- Red-knobbed Coot
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-legged Seriema
- Red-lored Amazon
- Red-necked Spurfowl
- Red-necked Stint
- Red-necked Tanager
- Red-ruffed Fruitcrow
- Red-rumped Cacique
- Red-tailed Hawk
- Red-tailed Shrike
- Red-tailed Vanga
- Red-throated Ant Tanager
- Red-throated Bee-eater
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-winged Blackbird
- Red-winged Lark
- Red-winged Starling
- Red Avadavat
- Red Collared Dove
- Red Fody
- Red Junglefowl
- Red Kite
- Red Knot
- Red Pileated Finch
- Reddish Egret
- Redwing
- Reed Cormorant
- Resplendent Quetzal
- Reunion Stonechat
- Richard's Pipit
- Ring-billed Gull
- Ring-necked Dove
- Ringed Kingfisher
- Riverbank Warbler
- Rivoli's Hummingbird
- Roadside Hawk
- Rock Dove
- Rock Pratincole
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Rose-throated Becard
- Roseate Spoonbill
- Ross's Turaco
- Rosy-billed Pochard
- Rosy-faced Lovebird
- Rosy-patched Bushshrike
- Rosy-throated Longclaw
- Rosy Minivet
- Rosy Starling
- Royal Tern
- Ruby-cheeked Sunbird
- Ruby-crowned Tanager
- Ruddy Ground Dove
- Ruddy Treerunner
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-backed Wren
- Rufous-bellied Euphonia
- Rufous-bellied Thrush
- Rufous-breasted Hermit
- Rufous-breasted Wren
- Rufous-browed Peppershrike
- Rufous-capped Spinetail
- Rufous-collared Sparrow
- Rufous-fronted Babbler
- Rufous-headed Tanager
- Rufous-naped Lark
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Weaver
- Rufous-throated Tanager
- Rufous-winged Cisticola
- Rufous Chatterer
- Rufous Hornero
- Rufous Motmot
- Rufous Piha
- Running Coua
- Rüppell's Korhaan
- Rüppell's Parrot
- Rüppell's Starling
- Rüppell's Vulture
- Russet-backed Oropendola
- Russet-throated Puffbird
- Rusty-barred Owl
- Rusty-collared Seedeater
- Rusty-margined Flycatcher
- Rusty Flowerpiercer