- Iberian Chiffchaff
- Iberian Grey Shrike
- Iberian Magpie
- Ibisbill
- Iceland Gull
- Icterine Warbler
- Ihering's Antwren
- Ijima's Leaf Warbler
- Imperial Shag
- Inca Dove
- Inca Flycatcher
- Inca Jay
- Indian Courser
- Indian Eagle-Owl
- Indian Paradise Flycatcher
- Indian Pied Myna
- Indian Pond Heron
- Indian Robin
- Indian Roller
- Indian Scops Owl
- Indian Silverbill
- Indian Skimmer
- Indian Spot-billed Duck
- Indian Spotted Creeper
- Indian Stone-curlew
- Indian Swiftlet
- Indian Vulture
- Indian White-eye
- Indigo-capped Hummingbird
- Indigo Bunting
- Indigo Flycatcher
- Indochinese Bush Lark
- Indochinese Cuckooshrike
- Indochinese Yuhina
- Intermediate Egret
- Iraq Babbler
- Iriomote Tit
- Isabelline Shrike
- Isabelline Wheatear
- Island Bronze-naped Pigeon
- Island Imperial Pigeon
- Island Monarch
- Island Thrush
- Italian Sparrow
- Ivory-billed Aracari
- Ivory Gull
- Izu Thrush