- Incaspiza ortizi
- Incaspiza personata
- Incaspiza pulchra
- Incaspiza watkinsi
- India
- Indian Black-lored Tit
- Indian Black Eagle
- Indian Black Robin
- Indian Blackbird
- Indian Blue Quail
- Indian Blue Robin
- Indian Bush Lark
- Indian Bushlark
- Indian Bustard
- Indian Cave State Park
- Indian Cave State Park(10 miles south of Brownville, on the Missouri Rive)
- Indian Chat
- Indian Cliff Swallow
- Indian Cormorant
- Indian Courser
- Indian Crow
- Indian Cuckoo
- Indian Cuckoo-Shrike
- Indian Cuckooshrike
- Indian Eagle-Owl
- Indian Eagle Owl
- Indian Edible-nest Swiftlet
- Indian Golden Oriole
- Indian Grassbird
- Indian Gray Hornbill
- Indian Grey Drongo
- Indian Grey Hornbill
- Indian Griffon Vulture
- Indian Hill-Myna
- Indian Hill Myna
- Indian Hill Mynah
- Indian House Crow
- Indian Iora
- Indian Jungle Crow
- Indian Jungle Nightjar
- Indian King Vulture
- Indian Myna
- Indian Mynah
- Indian Nightjar
- Indian Nutcracker
- Indian Nuthatch
- Indian Paradise-Flycatcher
- Indian Paradise Flycatcher
- Indian Peafowl
- Indian Pied Hornbill
- Indian Pied Myna
- Indian Pied Mynah
- Indian Pitta
- Indian Pond-Heron
- Indian Pond Heron
- Indian Reed Warbler
- Indian River Tern
- Indian Robin
- Indian Roller
- Indian Sand Lark
- Indian Scimitar-Babbler
- Indian Scimitar Babbler
- Indian Scops-Owl
- Indian Scops Owl
- Indian Shag
- Indian Shell Mound Park
- Indian Shell Mound Park(Dauphin Island, Alabama)
- Indian Short-toed Lark
- Indian Silverbill
- Indian Skimmer
- Indian Sparrow
- Indian Spot-billed Duck
- Indian Spotbill Duck
- Indian Spotted-Creeper
- Indian Spotted Creeper
- Indian Spotted Eagle
- Indian Stone-curlew
- Indian Stone Curlew
- Indian Swiftlet
- Indian Thick-knee
- Indian Tit
- Indian Tree Pipit
- Indian Treepie
- Indian Verditer Flycatcher
- Indian Vulture
- Indian Wells Valley - Kern River Valley(Eastern Sierras)
- Indian White-bellied Drongo
- Indian White-eye
- Indian White-hooded Babbler
- Indian White-rumped Spinetail
- Indian White-rumped Spinetail Swift
- Indian Yellow-nosed Albatross
- Indian Yellow-nosed Mollymawk
- Indian Yellow Tit
- Indiana
- Indiana Dunes State Park
- Indicator
- Indicator archipelagicus
- Indicator conirostris
- Indicator exilis
- Indicator indicator
- Indicator maculatus
- Indicator meliphilus
- Indicator minor
- Indicator pumilio
- Indicator variegatus
- Indicator willcocksi
- Indicator xanthonotus
- Indicatoridae
- Indigo-banded Kingfisher
- Indigo-capped Hummingbird
- Indigo-crowned Quail-Dove
- Indigo-crowned Quail Dove
- Indigo-winged Parrot
- Indigo Bunting
- Indigo Flowerpiercer
- Indigo Flycatcher
- Indigo Grosbeak
- Indigo Lory
- Indigo Macaw
- Indo-Malayan Swiftlet
- Indochina
- Indochinese Barbet
- Indochinese Bush Lark
- Indochinese Bushlark
- Indochinese Cuckoo-Shrike
- Indochinese Cuckoo-shrike
- Indochinese Cuckooshrike
- Indochinese Fulvetta
- Indochinese Green-Magpie
- Indochinese Green Magpie
- Indochinese Lark
- Indochinese Roller
- Indochinese Swiftlet
- Indochinese Wren-Babbler
- Indochinese Wren Babbler
- Indochinese Yuhina
- Indonesia
- Indonesian Avadavat
- Indonesian Honeycreeper
- Indonesian Honeyeater
- Indonesian Tree Starling
- Inezia
- Inezia caudata
- Inezia inornata
- Inezia subflava
- Inezia tenuirostris
- Ingrebourne valley
- Inks Lake State Park
- Inland Dotterel
- Inland Thornbill
- Inner Hebrides
- Inner Marsh Farm
- Inornate Warbler
- Insh Marshes
- Insh Marshes RSPB Reserve Scotland
- Institute Woods and Rogers Refuge
- Intermediate Egret
- International Tagus
- International Tagus Portugal
- Intervales State Park
- Inverness-shire
- Inverpolly National Nature Reserve
- Inverpolly National Nature Reserve Scotland
- Inversnaid
- Inversnaid RSPB Reserve Scotland
- Invisible Rail
- Io
- Iodopleura
- Iodopleura fusca
- Iodopleura isabellae
- Iodopleura pipra
- Iole
- Iole cacharensis
- Iole charlottae
- Iole crypta
- Iole indica
- Iole olivacea
- Iole palawanensis
- Iole propinqua
- Iole virescens
- Iole viridescens
- Iona Jetty
- Iowa
- Iphiclides podalirius
- Iphis Monarch
- Ipophilus obsoletus
- Iquico Castanero
- Iquitos Gnatcatcher
- Iran
- Irania
- Irania gutturalis
- Iranian Ground-Jay
- Iranian Ground Jay
- Iranian Jay
- Iranian Sombre Tit
- Iraq
- Iraq Babbler
- Irediparra
- Irediparra gallinacea
- Ireland
- Ireland's Eye
- Ireland's Eye Ireland
- Irena
- Irena cyanogastra
- Irena puella
- Irene Pitta
- Irenidae
- Irian Jaya
- Iridipitta baudii
- Iridophanes
- Iridophanes pulcherrima
- Iridophanes pulcherrima aureinucha
- Iridosornis
- Iridosornis analis
- Iridosornis jelskii
- Iridosornis porphyrocephala
- Iridosornis porphyrocephalus
- Iridosornis reinhardti
- Iridosornis rufivertex
- Iringa Akalat
- Iriomote Tit
- Iris Glossy-Starling
- Iris Glossy Starling
- Iris Lorikeet
- Irrawaddy Bulbul
- Isabela Oriole
- Isabella Oriole
- Isabelline Bush-hen
- Isabelline Bush Hen
- Isabelline Bushhen
- Isabelline Shrike
- Isabelline Warbler
- Isabelline Waterhen
- Isabelline Wheatear
- Isidore's Rufous Babbler
- Isla Rasa
- Island Bronze-naped Pigeon
- Island Canary
- Island Cisticola
- Island Collared-Dove
- Island Collared Dove
- Island Crow
- Island Dove
- Island Flycatcher
- Island Imperial-Pigeon
- Island Imperial Pigeon
- Island Kingfisher
- Island Leaf-Warbler
- Island Leaf Warbler
- Island Monarch
- Island Robin-whistler
- Island Scrub-Jay
- Island Scrub Jay
- Island Starling
- Island Swiftlet
- Island Thrush
- Island Verditer-flycatcher
- Island Verditer Flycatcher
- Island Whistler
- Islay
- Islay Scotland
- Isle of Arran
- Isle of Lewis
- Isle of Man
- Isle of May
- Isle of May Scotland
- Isle of Mull
- Isle of Portland (including Chesil Beach and the Fleet
- Isle of Portland (including Chesil Beach and the Fleet)
- Isle of Skye
- Isle of Wight
- Isleria guttata
- Isleria hauxwelli
- Isles Of Scilly
- Isles of Scilly
- Islet Kingfisher
- Isonzo Regional Park
- Ispidina
- Ispidina lecontei
- Ispidina madagascariensis
- Ispidina picta
- Israel
- Istanbul and the Bosphorus
- Istanbul and the Bosphorus Turkey
- Isthmian Wren
- Italian Sparrow
- Italy
- Italy(Lake Garda and Lake Frassino (Verona, Venetia))
- Itatiaia Spinetail
- Itatiaia Thistletail
- Ithaginis
- Ithaginis cruentus
- Ithaginis cruentus geoffroyi
- Itombwe Alseonax
- Itombwe Flycatcher
- Itombwe Nightjar
- Itombwe Owl
- Ituri Batis
- Ituri Spine-tailed Swift
- Ituri Spinetail
- Ives Run Recreation Area
- Ivory-backed Woodswallow
- Ivory-billed Aracari
- Ivory-billed Coucal
- Ivory-billed Woodcreeper
- Ivory-billed Woodpecker
- Ivory-breasted Pitta
- Ivory Coast
- Ivory Gull
- Ixobrychus
- Ixobrychus Minutus
- Ixobrychus cinnamomeus
- Ixobrychus dubius
- Ixobrychus eurhythmus
- Ixobrychus exilis
- Ixobrychus flavicollis
- Ixobrychus involucris
- Ixobrychus minutus
- Ixobrychus minutus dubius
- Ixobrychus novaezelandiae
- Ixobrychus sinensis
- Ixobrychus sturmii
- Ixodia cyaniventris
- Ixodia erythropthalmos
- Ixodia squamata
- Ixonotus
- Ixonotus guttatus
- Ixops
- Ixops morrisoniana
- Ixops nipalensis
- Ixops souliei
- Ixops waldeni
- Ixoreus
- Ixoreus naevia
- Ixoreus naevius
- Ixos
- Ixos amaurotis
- Ixos everetti
- Ixos everetti catarmanensis
- Ixos guimarasensis
- Ixos malaccensis
- Ixos mcclellandii
- Ixos mindorensis
- Ixos nicobariensis


