- Rattling Cisticola
- Red-backed Mannikin
- Red-backed Shrike
- Red-billed Buffalo Weaver
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Quelea
- Red-billed Spurfowl
- Red-billed Teal
- Red-breasted Swallow
- Red-capped Robin-Chat
- Red-chested Cuckoo
- Red-collared Widowbird
- Red-cowled Cardinal
- Red-crested Cardinal
- 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 Thrush
- Red-necked Tanager
- Red-tailed Comet
- Red-throated Wryneck
- Red-winged Starling
- Red Fody
- Red Pileated Finch
- Reed Cormorant
- Retz's Helmetshrike
- Reunion Grey White-eye
- Ring-necked Dove
- Ringed Kingfisher
- Rock Dove
- Rock Kestrel
- Rock Martin
- Rosy-billed Pochard
- Rosy-faced Lovebird
- Rosy-throated Longclaw
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-bellied Thrush
- Rufous-breasted Chat-Tyrant
- Rufous-collared Sparrow
- Rufous-naped Lark
- Rufous-sided Warbling Finch
- Rufous-winged Cisticola
- Rufous Hornero
- Rüppell's Korhaan
- Rüppell's Parrot
- Rusty-collared Seedeater
- Rusty-vented Canastero