- Red-backed Shrike
- Red-billed Firefinch
- Red-billed Tropicbird
- Red-breasted Swallow
- Red-capped Lark
- Red-cheeked Cordon-bleu
- Red-chested Cuckoo
- Red-chested Sunbird
- Red-eyed Dove
- Red-faced Cisticola
- Red-faced Spinetail
- Red-headed Barbet
- Red-headed Lovebird
- Red-necked Spurfowl
- Red-rumped Cacique
- Red-throated Pipit
- Red-winged Blackbird
- Red-winged Warbler
- Reed Cormorant
- Regal Sunbird
- Resplendent Quetzal
- Ring-necked Dove
- Ring Ouzel
- Ringed Kingfisher
- River Prinia
- Rivoli's Hummingbird
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Ross's Turaco
- Royal Tern
- Ruddy Ground Dove
- Ruddy Treerunner
- Rufous-breasted Antthrush
- Rufous-collared Sparrow
- Rufous-tailed Hummingbird
- Rufous-tailed Scrub Robin
- Rufous Chatterer
- Rufous Cisticola
- Rufous Motmot
- Rüppell's Starling
- Russet-backed Oropendola
- Russet-crowned Warbler