- Iago Sparrow
- Iceland Gull
- Iiwi
- Inca Dove
- Inca Tern
- Indian Cormorant
- Indian Cuckoo
- Indian Grey Hornbill
- Indian Jungle Crow
- Indian Paradise Flycatcher
- Indian Peafowl
- Indian Pied Myna
- Indian Pond Heron
- Indian Robin
- Indian Roller
- Indian Scops Owl
- Indian White-eye
- Inland Thornbill
- Isabelline Wheatear
- Island Bronze-naped Pigeon
- Italian Sparrow
- Ivory-billed Woodcreeper