- Rainbow Lorikeet
- Razor-billed Curassow
- Razorbill
- Red-and-green Macaw
- Red-backed Shrike
- Red-billed Leiothrix
- Red-billed Oxpecker
- Red-billed Spurfowl
- Red-billed Tropicbird
- Red-breasted Goose
- Red-breasted Merganser
- Red-capped Lark
- Red-collared Lorikeet
- Red-crested Korhaan
- Red-crested Pochard
- Red-crested Turaco
- Red-eyed Dove
- Red-faced Mousebird
- Red-flanked Lorikeet
- Red-fronted Coua
- Red-fronted Macaw
- Red-headed Finch
- Red-legged Partridge
- Red-necked Phalarope
- Red-throated Loon
- Red-winged Starling
- Red Fody
- Red Knot
- Redwing
- Reed Cormorant
- Ring-necked Dove
- Ringed Kingfisher
- Roadside Hawk
- Rock Kestrel
- Rock Ptarmigan
- Rose-crowned Fruit Dove
- Roseate Spoonbill
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-bellied Euphonia
- Rufous-headed Woodpecker
- Russet-backed Oropendola