- Radjah Shelduck
- Rainbow Bee-eater
- Rainbow Lorikeet
- Red-backed Fairywren
- Red-backed Shrike
- Red-bellied Woodpecker
- Red-billed Chough
- Red-billed Leiothrix
- Red-billed Pigeon
- Red-billed Starling
- Red-breasted Flycatcher
- Red-breasted Merganser
- Red-breasted Nuthatch
- Red-browed Finch
- Red-capped Plover
- Red-crested Pochard
- Red-crowned Crane
- Red-flanked Bluetail
- Red-footed Booby
- Red-fronted Serin
- Red-headed Barbet
- Red-headed Bunting
- Red-kneed Dotterel
- Red-legged Honeycreeper
- Red-legged Partridge
- Red-mantled Rosefinch
- Red-necked Grebe
- Red-necked Phalarope
- Red-necked Stint
- Red-rumped Wheatear
- Red-shouldered Hawk
- Red-tailed Black Cockatoo
- Red-tailed Hawk
- Red-tailed Shrike
- Red-tailed Wheatear
- Red-throated Loon
- Red-throated Pipit
- Red-throated Thrush
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-winged Blackbird
- Red-winged Parrot
- Red Crossbill
- Red Fox Sparrow
- Red Knot
- Red Phalarope
- Reddish Egret
- Redhead
- Redwing
- Richard's Pipit
- Ring-billed Gull
- Ring-necked Duck
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rock Ptarmigan
- Rock Sparrow
- Rook
- Roseate Spoonbill
- Ross's Gull
- Rosy Starling
- Royal Spoonbill
- Royal Tern
- Ruddy Duck
- Ruddy Turnstone
- Ruff
- Rufous-collared Sparrow
- Rufous-tailed Hummingbird
- Rufous-tailed Scrub Robin
- Rufous-throated Honeyeater
- Rufous Whistler
- Rüppell's Warbler
- Rüppell's Weaver
- Rustic Bunting