- Rattling Cisticola
- Red-and-white Crake
- Red-backed Shrike
- Red-billed Buffalo Weaver
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Quelea
- Red-billed Scythebill
- Red-billed Spurfowl
- Red-billed Teal
- Red-breasted Swallow
- Red-breasted Toucan
- Red-capped Robin-Chat
- Red-chested Cuckoo
- Red-collared Widowbird
- Red-cowled Cardinal
- Red-crested Cardinal
- Red-crested Cotinga
- Red-crested Korhaan
- Red-eyed Dove
- Red-faced Cisticola
- Red-faced Mousebird
- Red-fronted Coot
- Red-fronted Macaw
- Red-gartered Coot
- Red-headed Finch
- Red-headed Manakin
- Red-headed Weaver
- Red-knobbed Coot
- Red-legged Seriema
- Red-legged Thrush
- Red-necked Tanager
- Red-necked Woodpecker
- Red-tailed Comet
- Red-throated Wryneck
- Red-winged Starling
- Red Fody
- Red Pileated Finch
- Red Shoveler
- Red Tanager
- Reddish Hermit
- Reed Cormorant
- Retz's Helmetshrike
- Reunion Grey White-eye
- Ring-necked Dove
- Ringed Kingfisher
- Riverbank Warbler
- Roadside Hawk
- Rock Dove
- Rock Earthcreeper
- Rock Kestrel
- Rock Martin
- Roseate Spoonbill
- Rosy-billed Pochard
- Rosy-faced Lovebird
- Rosy-throated Longclaw
- Ruddy-headed Goose
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-bellied Mountain Tanager
- Rufous-bellied Thrush
- Rufous-breasted Chat-Tyrant
- Rufous-breasted Leaftosser
- Rufous-capped Antthrush
- Rufous-capped Spinetail
- Rufous-chested Plover
- Rufous-collared Sparrow
- Rufous-faced Antpitta
- Rufous-fronted Thornbird
- Rufous-naped Lark
- Rufous-rumped Seedeater
- Rufous-sided Warbling Finch
- Rufous-tailed Jacamar
- Rufous-tailed Palm Thrush
- Rufous-winged Antshrike
- Rufous-winged Cisticola
- Rufous Gnateater
- Rufous Hornero
- Rüppell's Korhaan
- Rüppell's Parrot
- Russet-backed Oropendola
- Russet-crowned Warbler
- Rusty-backed Antwren
- Rusty-collared Seedeater
- Rusty-margined Flycatcher
- Rusty-vented Canastero