- Radjah Shelduck
- Raggiana Bird-of-paradise
- Rain Quail
- Rainbow Pitta
- Rainbow Starfrontlet
- Razorbill
- Red-backed Shrike
- Red-bearded Bee-eater
- Red-billed Blue Magpie
- Red-billed Chough
- Red-billed Leiothrix
- Red-breasted Flycatcher
- Red-breasted Goose
- Red-breasted Merganser
- Red-breasted Partridge
- Red-breasted Toucan
- Red-capped Parrot
- Red-cheeked Parrot
- Red-chested Buttonquail
- Red-crested Pochard
- Red-eared Fruit Dove
- Red-faced Liocichla
- Red-footed Falcon
- Red-fronted Lorikeet
- Red-headed Bullfinch
- Red-headed Trogon
- Red-headed Vulture
- Red-kneed Dotterel
- Red-knobbed Imperial Pigeon
- Red-legged Partridge
- Red-mantled Rosefinch
- Red-naped Trogon
- Red-necked Aracari
- Red-necked Avocet
- Red-necked Crake
- Red-necked Grebe
- Red-necked Nightjar
- Red-necked Phalarope
- Red-rumped Parrot
- Red-tailed Black Cockatoo
- Red-tailed Tropicbird
- Red-throated Cliff Swallow
- Red-throated Loon
- Red-throated Pipit
- Red-throated Wryneck
- Red-winged Laughingthrush
- Red-winged Parrot
- Red Crossbill
- Red Goshawk
- Red Kite
- Red Knot
- Red Myzomela
- Red Phalarope
- Red Spurfowl
- Reed Parrotbill
- Reeves's Pheasant
- Regent Honeyeater
- Regent Parrot
- Regent Whistler
- Resplendent Quetzal
- Richard's Pipit
- Ring Ouzel
- River Warbler
- Robin Accentor
- Rock Bunting
- Rock Bush Quail
- Rock Dove
- Rock Martin
- Rock Parrot
- Rock Ptarmigan
- Rook
- Roseate Tern
- Rosy Minivet
- Rosy Starling
- Rough-crested Malkoha
- Rough-legged Buzzard
- Royal Spoonbill
- Ruby-throated Hummingbird
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Rufous-backed Sibia
- Rufous-bellied Kookaburra
- Rufous-bellied Niltava
- Rufous-breasted Accentor
- Rufous-breasted Hermit
- Rufous-breasted Wood Quail
- Rufous-capped Babbler
- Rufous-crested Coquette
- Rufous-fronted Bushtit
- Rufous-headed Parrotbill
- Rufous-naped Tit
- Rufous-necked Snowfinch
- Rufous-sided Gerygone
- Rufous-tailed Hummingbird
- Rufous-vented Laughingthrush
- Rufous-vented Tit
- Rufous-vented Yuhina
- Rufous-winged Cisticola
- Rufous Bristlebird
- Rufous Owl
- Rufous Piculet
- Rufous Scrubbird
- Rufous Whistler
- Rüppell's Warbler
- Rustic Bunting
- Rusty-flanked Treecreeper
- Rusty-fronted Barwing
- Rusty Laughingthrush
- Rusty Pitohui
- Rusty Whistler