- Racket-tailed Treepie
- Raggiana Bird-of-paradise
- Rainbow Lorikeet
- Rainbow Starfrontlet
- Rainforest Scops Owl
- Ratchet-tailed Treepie
- Razor-billed Curassow
- Red-and-green Macaw
- Red-backed Flameback
- Red-backed Shrike
- Red-bellied Paradise Flycatcher
- Red-bellied Parrot
- Red-billed Blue Magpie
- Red-billed Buffalo Weaver
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Scythebill
- Red-billed Teal
- Red-breasted Coua
- Red-breasted Goose
- Red-breasted Meadowlark
- Red-breasted Merganser
- Red-breasted Parakeet
- Red-breasted Swallow
- Red-breasted Toucan
- Red-capped Cardinal
- Red-capped Coua
- Red-capped Lark
- Red-capped Manakin
- Red-capped Plover
- Red-cheeked Cordon-bleu
- Red-cheeked Parrot
- Red-chested Sunbird
- Red-collared Widowbird
- Red-cowled Widowbird
- Red-crested Cardinal
- Red-crested Cotinga
- Red-crested Pochard
- Red-crowned Ant Tanager
- Red-crowned Woodpecker
- Red-eyed Dove
- Red-eyed Vireo
- Red-faced Liocichla
- Red-faced Malkoha
- Red-faced Woodland Warbler
- Red-fan Parrot
- Red-footed Booby
- Red-footed Falcon
- Red-fronted Prinia
- Red-headed Barbet
- Red-headed Malimbe
- Red-headed Manakin
- Red-headed Trogon
- Red-headed Weaver
- Red-knobbed Coot
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-legged Seriema
- Red-legged Thrush
- Red-lored Amazon
- Red-masked Parakeet
- Red-necked Aracari
- Red-necked Spurfowl
- Red-necked Stint
- Red-necked Woodpecker
- Red-rumped Parrot
- Red-shouldered Blackbird
- Red-shouldered Vanga
- Red-tailed Tropicbird
- Red-tailed Vanga
- Red-throated Ant Tanager
- Red-throated Bee-eater
- Red-throated Caracara
- Red-throated Piping Guan
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-whiskered Bulbul
- Red-winged Starling
- Red Collared Dove
- Red Crossbill
- Red Fody
- Red Kite
- Red Pileated Finch
- Red Tanager
- Red Wattlebird
- Reddish Egret
- Reddish Hermit
- Reed Cormorant
- Regal Sunbird
- Regent Parrot
- Regent Whistler
- Resplendent Quetzal
- Restless Flycatcher
- Ribbon-tailed Astrapia
- Richard's Pipit
- Ring-necked Dove
- Ringed Kingfisher
- Riverside Wren
- Rivoli's Hummingbird
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rock Pratincole
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Rose-throated Becard
- Rose Robin
- Roseate Spoonbill
- Ross's Turaco
- Royal Spoonbill
- Royal Sunangel
- Royal Tern
- Ruby-cheeked Sunbird
- Ruby-crowned Tanager
- Ruddy-breasted Seedeater
- Ruddy-capped Nightingale-Thrush
- Ruddy-tailed Flycatcher
- Ruddy Ground Dove
- Ruddy Quail-Dove
- Ruddy Shelduck
- Ruddy Treerunner
- Ruddy Turnstone
- Rufescent Prinia
- Rufescent Screech Owl
- Rufescent Tiger Heron
- Ruff
- Rufous-backed Sibia
- Rufous-banded Honeyeater
- Rufous-bellied Kookaburra
- Rufous-bellied Thrush
- Rufous-booted Racket-tail
- Rufous-breasted Chat-Tyrant
- Rufous-breasted Flycatcher
- Rufous-browed Peppershrike
- Rufous-capped Babbler
- Rufous-capped Motmot
- Rufous-capped Thornbill
- Rufous-chested Tanager
- Rufous-collared Sparrow
- Rufous-crested Coquette
- Rufous-crowned Greenlet
- Rufous-crowned Tody-Flycatcher
- Rufous-headed Ground Roller
- Rufous-naped Bellbird
- Rufous-naped Lark
- Rufous-necked Puffbird
- Rufous-sided Crake
- Rufous-tailed Foliage-gleaner
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Weaver
- Rufous-throated Bronze Cuckoo
- Rufous-throated Tanager
- Rufous-winged Fulvetta
- Rufous Casiornis
- Rufous Crab Hawk
- Rufous Hornero
- Rufous Motmot
- Rufous Vanga
- Rufous Woodpecker
- Rufous Wren
- Running Coua
- Rüppell's Starling
- Rüppell's Vulture
- Russet-backed Oropendola
- Russet-crowned Warbler
- Rust-and-yellow Tanager
- Rusty-backed Antwren
- Rusty-collared Seedeater
- Rusty-margined Flycatcher
- Rusty-margined Guan
- Rusty-winged Antwren
- Rusty Flowerpiercer
- Rwenzori Batis