- Red-and-yellow Barbet
- Red-backed Shrike
- Red-billed Buffalo Weaver
- Red-billed Firefinch
- Red-billed Oxpecker
- Red-billed Spurfowl
- Red-billed Teal
- Red-billed Tropicbird
- Red-capped Lark
- Red-capped Manakin
- Red-crested Pochard
- Red-crowned Woodpecker
- Red-faced Mousebird
- Red-headed Finch
- Red-knobbed Coot
- Red-legged Honeycreeper
- Red-lored Amazon
- Red-necked Buzzard
- Red-vented Bulbul
- Red-wattled Lapwing
- Reed Cormorant
- Resplendent Quetzal
- Ring-necked Dove
- Ringed Kingfisher
- Riverside Wren
- Rock Bunting
- Rock Dove
- Rose-ringed Parakeet
- Ruddy Ground Dove
- Ruddy Shelduck
- Ruddy Turnstone
- Rufous-backed Wren
- Rufous-collared Sparrow
- Rufous-tailed Hummingbird
- Rufous-tailed Jacamar
- Rufous-tailed Weaver
- Rüppell's Vulture