- Red-and-green Macaw
- Red-bellied Macaw
- Red-breasted Meadowlark
- Red-eyed Vireo
- Red-fan Parrot
- Red-legged Honeycreeper
- Red-necked Woodpecker
- Red-rumped Cacique
- Red Knot
- Reddish Hermit
- Ring-necked Duck
- Ringed Kingfisher
- Roadside Hawk
- Roseate Spoonbill
- Royal Tern
- Ruby-topaz Hummingbird
- Ruddy-breasted Seedeater
- Ruddy-tailed Flycatcher
- Ruddy Ground Dove
- Ruddy Turnstone
- Rufescent Tiger Heron
- Ruff
- Rufous-breasted Hermit
- Rufous-browed Peppershrike
- Rufous-thighed Kite
- Rufous Crab Hawk
- Rusty-margined Flycatcher