- Radde's Warbler
- Rainbow-bearded Thornbill
- Rainbow Lorikeet
- Rainbow Pitta
- Rand's Warbler
- Raso Lark
- Rattling Cisticola
- Razor-billed Curassow
- Recurve-billed Bushbird
- Red-and-white Spinetail
- Red-backed Thrush
- Red-bellied Grackle
- Red-billed Brushturkey
- Red-billed Chough
- Red-billed Curassow
- Red-billed Emerald
- Red-billed Firefinch
- Red-billed Helmetshrike
- Red-billed Pytilia
- Red-billed Scythebill
- Red-billed Spurfowl
- Red-billed Woodcreeper
- Red-breasted Paradise Kingfisher
- Red-breasted Parakeet
- Red-breasted Partridge
- Red-breasted Toucan
- Red-browed Amazon
- Red-capped Coua
- Red-capped Crombec
- Red-capped Forest Warbler
- Red-capped Robin-Chat
- Red-chested Cuckoo
- Red-chested Sunbird
- Red-chested Swallow
- Red-collared Lorikeet
- Red-crowned Amazon
- Red-eyed Dove
- Red-faced Cisticola
- Red-faced Cormorant
- Red-faced Liocichla
- Red-faced Warbler
- Red-fronted Coua
- Red-fronted Prinia
- Red-fronted Rosefinch
- Red-headed Bluebill
- Red-headed Bullfinch
- Red-headed Flameback
- Red-headed Manakin
- Red-headed Tanager
- Red-keeled Flowerpecker
- Red-legged Kittiwake
- Red-mantled Rosefinch
- Red-naped Bushshrike
- Red-naped Trogon
- Red-necked Buzzard
- Red-necked Nightjar
- Red-necked Spurfowl
- Red-ruffed Fruitcrow
- Red-rumped Woodpecker
- Red-shouldered Tanager
- Red-tailed Amazon
- Red-tailed Ant Thrush
- Red-tailed Bristlebill
- Red-tailed Greenbul
- Red-tailed Shrike
- Red-throated Alethe
- Red-throated Ant Tanager
- Red-throated Barbet
- Red-throated Caracara
- Red-throated Thrush
- Red-throated Tit
- Red-throated Twinspot
- Red-winged Lark
- Red-winged Tinamou
- Red Bird-of-paradise
- Red Junglefowl
- Red Knot
- Red Owl
- Red Pileated Finch
- Red Siskin
- Red Warbler
- Reddish-winged Bare-eye
- Reddish Hermit
- Reddish Scops Owl
- Redthroat
- Reed Cormorant
- Regal Sunbird
- Reichenow's Seedeater
- Restinga Tyrannulet
- Ridgetop Swiftlet
- Ridgway's Rail
- Ringed Antpipit
- Ringed Kingfisher
- Ringed Warbling Finch
- Rinjani Scops Owl
- Rio Branco Antbird
- Rio de Janeiro Antbird
- Rio Negro Gnatcatcher
- Riverside Wren
- Robust Woodpecker
- Rock-loving Cisticola
- Rock Sandpiper
- Rock Tapaculo
- Rockrunner
- Roll's Partridge
- Rondonia Warbling Antbird
- Rose-bellied Bunting
- Rose-throated Becard
- Rose-throated Tanager
- Ross's Turaco
- Rosy-faced Lovebird
- Rosy-throated Longclaw
- Rosy Bee-eater
- Rosy Thrush-tanager
- Rough-crested Malkoha
- Round-tailed Manakin
- Royal Cinclodes
- Royal Sunangel
- Rubeho Akalat
- Rubeho Warbler
- Ruby-crowned Tanager
- Ruby-topaz Hummingbird
- Ruddy-headed Goose
- Ruddy-tailed Flycatcher
- Ruddy Foliage-gleaner
- Ruddy Kingfisher
- Ruddy Pigeon
- Ruddy Quail-Dove
- Ruddy Spinetail
- Ruddy Treerunner
- Ruddy Woodcreeper
- Rufescent Antshrike
- Rufescent Screech Owl
- Rufescent Tiger Heron
- Rufous-backed Antvireo
- Rufous-backed Dwarf Kingfisher
- Rufous-backed Inca Finch
- Rufous-backed Stipplethroat
- Rufous-backed Thrush
- Rufous-banded Owl
- Rufous-bellied Chachalaca
- Rufous-bellied Eagle
- Rufous-bellied Helmetshrike
- Rufous-bellied Kookaburra
- Rufous-bellied Niltava
- Rufous-bellied Seedsnipe
- Rufous-bellied Tit
- Rufous-bellied Triller
- Rufous-bellied Woodpecker
- Rufous-breasted Accentor
- Rufous-breasted Antpitta
- Rufous-breasted Chat-Tyrant
- Rufous-breasted Flycatcher
- Rufous-breasted Leaftosser
- Rufous-breasted Sparrowhawk
- Rufous-breasted Wood Quail
- Rufous-breasted Wren
- Rufous-browed Peppershrike
- Rufous-browed Tyrannulet
- Rufous-browed Wren
- Rufous-capped Antshrike
- Rufous-capped Antthrush
- Rufous-capped Babbler
- Rufous-capped Brushfinch
- Rufous-chested Dotterel
- Rufous-chested Flycatcher
- Rufous-collared Kingfisher
- Rufous-crested Coquette
- Rufous-crowned Bee-eater
- Rufous-crowned Elaenia
- Rufous-crowned Emu-wren
- Rufous-crowned Greenlet
- Rufous-crowned Laughingthrush
- Rufous-crowned Prinia
- Rufous-crowned Sparrow
- Rufous-crowned Tody-Flycatcher
- Rufous-faced Antbird
- Rufous-faced Crake
- Rufous-fronted Bushtit
- Rufous-fronted Laughingthrush
- Rufous-fronted Prinia
- Rufous-gaped Hillstar
- Rufous-headed Chachalaca
- Rufous-headed Pygmy Tyrant
- Rufous-headed Tanager
- Rufous-headed Woodpecker
- Rufous-legged Owl
- Rufous-naped Greenlet
- Rufous-necked Hornbill
- Rufous-necked Puffbird
- Rufous-sided Broadbill
- Rufous-sided Gerygone
- Rufous-sided Scrub Tyrant
- Rufous-tailed Antbird
- Rufous-tailed Attila
- Rufous-tailed Fantail
- Rufous-tailed Flatbill
- Rufous-tailed Foliage-gleaner
- Rufous-tailed Hawk
- Rufous-tailed Lark
- Rufous-tailed Plantcutter
- Rufous-tailed Robin
- Rufous-tailed Weaver
- Rufous-tailed Xenops
- Rufous-throated Sapphire
- Rufous-throated Tanager
- Rufous-vented Ground Cuckoo
- Rufous-vented Niltava
- Rufous-vented Yuhina
- Rufous-winged Antshrike
- Rufous-winged Fulvetta
- Rufous-winged Ground Cuckoo
- Rufous-winged Illadopsis
- Rufous-winged Philentoma
- Rufous-winged Sunbird
- Rufous Chatterer
- Rufous Hornbill
- Rufous Motmot
- Rufous Nightjar
- Rufous Paradise Flycatcher
- Rufous Piculet
- Rufous Piha
- Rufous Potoo
- Rufous Sabrewing
- Rufous Sibia
- Rufous Treepie
- Rufous Vanga
- Rufous Wren
- Rüppell's Korhaan
- Rüppell's Starling
- Russet-backed Oropendola
- Russet-bellied Spinetail
- Russet-capped Tesia
- Russet-crowned Warbler
- Russet-naped Wood Rail
- Russet-tailed Thrush
- Russet-throated Puffbird
- Russet-winged Spadebill
- Russet Antshrike
- Russet Bush Warbler
- Russet Nightingale-Thrush
- Rusty-backed Antwren
- Rusty-backed Spinetail
- Rusty-barred Owl
- Rusty-bellied Brushfinch
- Rusty-breasted Nunlet
- Rusty-breasted Wheatear
- Rusty-breasted Whistler
- Rusty-breasted Whistler (fulvotincta)
- Rusty-breasted Wren-Babbler
- Rusty-capped Fulvetta
- Rusty-cheeked Scimitar Babbler
- Rusty-collared Seedeater
- Rusty-crowned Ground Sparrow
- Rusty-flanked Treecreeper
- Rusty-fronted Barwing
- Rusty-fronted Tody-Flycatcher
- Rusty-margined Flycatcher
- Rusty-margined Guan
- Rusty-winged Antwren
- Rusty-winged Barbtail
- Rusty Blackbird
- Rusty Flowerpiercer
- Rusty Laughingthrush
- Rusty Sparrow
- Rwenzori Apalis
- Rwenzori Batis
- Rwenzori Double-collared Sunbird
- Rwenzori Turaco