- Raffles's Malkoha
- Razorbill
- Red-backed Shrike
- Red-bearded Bee-eater
- Red-bellied Woodpecker
- Red-billed Chough
- Red-breasted Blackbird
- Red-breasted Merganser
- Red-cockaded Woodpecker
- Red-crested Pochard
- Red-eyed Vireo
- Red-footed Falcon
- Red-headed Trogon
- Red-headed Woodpecker
- Red-legged Partridge
- Red-necked Grebe
- Red-necked Phalarope
- Red-necked Stint
- Red-rumped Wheatear
- Red-tailed Wheatear
- Red-throated Pipit
- Red-vented Bulbul
- Red-wattled Lapwing
- Red-winged Blackbird
- Red Junglefowl
- Red Kite
- Red Knot
- Red Turtle Dove
- Reddish Egret
- Redwing
- Richard's Pipit
- Ring-billed Gull
- Ring-necked Duck
- Ring Ouzel
- Roadside Hawk
- Rock Bunting
- Rock Dove
- Rock Ptarmigan
- Rock Sparrow
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Roseate Spoonbill
- Royal Tern
- Ruby-cheeked Sunbird
- Ruby-crowned Kinglet
- Ruby-throated Hummingbird
- Ruddy-breasted Seedeater
- Ruddy Duck
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Rufous-bellied Antwren
- Rufous-browed Flycatcher
- Rufous-crowned Sparrow
- Rufous-tailed Flatbill
- Rufous-tailed Tailorbird
- Rüppell's Weaver
- Rusty-margined Flycatcher