- Red-and-green Macaw
- Red-and-yellow Barbet
- Red-backed Shrike
- Red-bellied Paradise Flycatcher
- Red-billed Firefinch
- Red-billed Scythebill
- Red-billed Tropicbird
- Red-breasted Swallow
- Red-capped Cardinal
- Red-capped Lark
- Red-cheeked Cordon-bleu
- Red-chested Cuckoo
- Red-chested Sunbird
- Red-chested Swallow
- Red-cowled Widowbird
- Red-crested Cotinga
- Red-crested Pochard
- Red-eyed Dove
- Red-faced Cisticola
- Red-faced Spinetail
- Red-fronted Barbet
- Red-headed Barbet
- Red-headed Lovebird
- Red-headed Weaver
- Red-legged Honeycreeper
- Red-legged Seriema
- Red-lored Amazon
- Red-necked Spurfowl
- Red-rumped Cacique
- Red-throated Bee-eater
- Red-throated Piping Guan
- Red-throated Pipit
- Red-winged Blackbird
- Red-winged Prinia
- Red Kite
- Red Pileated Finch
- Reed Cormorant
- Regal Sunbird
- Resplendent Quetzal
- Ring-necked Dove
- Ring Ouzel
- Ringed Kingfisher
- River Prinia
- Rivoli's Hummingbird
- Roadside Hawk
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Rose-throated Becard
- Roseate Spoonbill
- Ross's Turaco
- Rosy-throated Longclaw
- Ruddy Ground Dove
- Ruddy Treerunner
- Rufescent Tiger Heron
- Ruff
- Rufous-backed Wren
- Rufous-bellied Thrush
- Rufous-breasted Antthrush
- Rufous-collared Sparrow
- Rufous-crowned Tody-Flycatcher
- Rufous-fronted Thornbird
- Rufous-naped Lark
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Scrub Robin
- Rufous-winged Antshrike
- Rufous-winged Woodpecker
- Rufous Casiornis
- Rufous Chatterer
- Rufous Cisticola
- Rufous Motmot
- Rüppell's Starling
- Rüppell's Vulture
- Russet-backed Oropendola
- Russet-crowned Crake
- Russet-crowned Warbler
- Rusty-backed Antwren
- Rusty-backed Spinetail
- Rusty-collared Seedeater
- Rusty-fronted Tody-Flycatcher