- Racket-tailed Treepie
- Radjah Shelduck
- Rainbow Bee-eater
- Rainbow Lorikeet
- Rainbow Pitta
- Rainbow Starfrontlet
- Rainforest Scops Owl
- Razorbill
- Red-and-green Macaw
- Red-and-yellow Barbet
- Red-backed Fairywren
- Red-backed Kingfisher
- Red-backed Shrike
- Red-bellied Parrot
- Red-billed Blue Magpie
- Red-billed Buffalo Weaver
- Red-billed Chough
- Red-billed Firefinch
- Red-billed Leiothrix
- Red-billed Oxpecker
- Red-billed Quelea
- Red-billed Spurfowl
- Red-billed Streamertail
- Red-billed Teal
- Red-breasted Goose
- Red-breasted Merganser
- Red-breasted Nuthatch
- Red-breasted Parakeet
- Red-browed Finch
- Red-capped Cardinal
- Red-capped Lark
- Red-capped Plover
- Red-capped Robin
- Red-cheeked Cordon-bleu
- Red-cockaded Woodpecker
- Red-collared Lorikeet
- Red-crested Cardinal
- Red-crested Korhaan
- Red-crested Pochard
- Red-crowned Woodpecker
- Red-faced Spinetail
- Red-footed Booby
- Red-footed Falcon
- Red-fronted Coua
- Red-gartered Coot
- Red-headed Barbet
- Red-headed Finch
- Red-headed Lovebird
- Red-headed Myzomela
- Red-headed Vulture
- Red-knobbed Coot
- Red-legged Partridge
- Red-legged Seriema
- Red-legged Thrush
- Red-naped Ibis
- Red-necked Grebe
- Red-necked Phalarope
- Red-necked Spurfowl
- Red-shouldered Hawk
- Red-shouldered Macaw
- Red-shouldered Vanga
- Red-tailed Black Cockatoo
- Red-tailed Hawk
- Red-tailed Tropicbird
- Red-throated Ant Tanager
- Red-throated Loon
- Red-throated Parrotfinch
- Red-throated Pipit
- Red-throated Rock Martin
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-whiskered Bulbul
- Red-winged Blackbird
- Red-winged Parrot
- Red-winged Starling
- Red Fody
- Red Junglefowl
- Red Kite
- Red Knot
- Red Phalarope
- Red Pileated Finch
- Red Shoveler
- Reddish Egret
- Redhead
- Redpoll
- Redwing
- Reed Cormorant
- Reeves's Pheasant
- Regent Bowerbird
- Rifleman
- Ring-billed Gull
- Ring-necked Dove
- Ring-necked Duck
- Ringed Kingfisher
- River Lapwing
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rockrunner
- Rook
- Rose-breasted Grosbeak
- Rose-crowned Fruit Dove
- Rose-faced Parrot
- Rose-ringed Parakeet
- Roseate Spoonbill
- Rosy-billed Pochard
- Rosy-faced Lovebird
- Rosy-patched Bushshrike
- Rosy-throated Longclaw
- Royal Spoonbill
- Royal Tern
- Ruby-cheeked Sunbird
- Ruby-crowned Kinglet
- Ruddy-breasted Seedeater
- Ruddy Cuckoo-Dove
- Ruddy Ground Dove
- Ruddy Pigeon
- Ruddy Shelduck
- Ruddy Turnstone
- Ruddy Woodcreeper
- Rufescent Tiger Heron
- Ruff
- Ruffed Grouse
- Rufous-backed Thrush
- Rufous-backed Wren
- Rufous-banded Honeyeater
- Rufous-bellied Eagle
- Rufous-bellied Heron
- Rufous-bellied Thrush
- Rufous-browed Peppershrike
- Rufous-collared Sparrow
- Rufous-naped Ground Tyrant
- Rufous-naped Lark
- Rufous-sided Warbling Finch
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Weaver
- Rufous-throated Honeyeater
- Rufous-throated Solitaire
- Rufous-throated Tanager
- Rufous Casiornis
- Rufous Chatterer
- Rufous Hornero
- Rufous Motmot
- Rufous Mourner
- Rufous Owl
- Rufous Treepie
- Rufous Whistler
- Rüppell's Korhaan
- Rüppell's Parrot
- Rüppell's Starling
- Rüppell's Vulture
- Russet-crowned Warbler
- Russet-naped Wood Rail
- Rusty-backed Antwren
- Rusty-breasted Whistler (fulvotincta)
- Rusty-margined Flycatcher
- Rusty-margined Guan
- Rusty-vented Canastero