- Red-backed Shrike
- Red-billed Buffalo Weaver
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Quelea
- Red-billed Spurfowl
- Red-breasted Goose
- Red-breasted Parakeet
- Red-breasted Toucan
- Red-capped Manakin
- Red-crested Korhaan
- Red-crested Pochard
- Red-flanked Bluetail
- Red-footed Booby
- Red-footed Falcon
- Red-headed Finch
- Red-headed Weaver
- Red-legged Cormorant
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-lored Amazon
- Red-necked Grebe
- Red-rumped Cacique
- Red-whiskered Bulbul
- Red-winged Tinamou
- Red Collared Dove
- Red Crossbill
- Red Kite
- Red Knot
- Reed Cormorant
- Ring-billed Gull
- Ring-necked Dove
- Ring Ouzel
- Ringed Teal
- Rock Bunting
- Rock Dove
- Rose-ringed Parakeet
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Rufous-bellied Thrush
- Rufous-collared Sparrow
- Rufous Hornero
- Rufous Hummingbird
- Rüppell's Korhaan