- Razorbill
- Red-backed Shrike
- Red-bellied Woodpecker
- Red-billed Chough
- Red-breasted Merganser
- Red-breasted Nuthatch
- Red-browed Finch
- Red-footed Booby
- Red-legged Partridge
- Red-necked Phalarope
- Red-tailed Hawk
- Red-throated Loon
- Red-vented Bulbul
- Red-whiskered Bulbul
- Red-winged Blackbird
- Red Junglefowl
- Red Knot
- Red Phalarope
- Redhead
- Redpoll
- Redwing
- Ring-billed Gull
- Ring-necked Duck
- Rock Dove
- Rock Ptarmigan
- Rock Wren
- Rook
- Rose-breasted Grosbeak
- Rose-ringed Parakeet
- Rough-legged Buzzard
- Ruby-crowned Kinglet
- Ruddy Duck
- Ruddy Shelduck
- Ruddy Turnstone
- Ruff
- Ruffed Grouse
- Rufous Hummingbird