- Cyornis
- Cyornis banyumas
- Cyornis brunneatus
- Cyornis caerulatus
- Cyornis colonus
- Cyornis concretus
- Cyornis djampeanus
- Cyornis glaucicomans
- Cyornis hainanus
- Cyornis herioti
- Cyornis hoevelli
- Cyornis hyacinthinus
- Cyornis lemprieri
- Cyornis magnirostris
- Cyornis nicobaricus
- Cyornis olivaceus
- Cyornis omissus
- Cyornis oscillans
- Cyornis pallidipes
- Cyornis pallipes
- Cyornis poliogenys
- Cyornis rubeculoides
- Cyornis ruckii
- Cyornis ruficauda
- Cyornis rufigastra
- Cyornis rufigastra blythi
- Cyornis rufigastra philippinensis
- Cyornis sanfordi
- Cyornis superbus
- Cyornis tickelliae
- Cyornis tickelliae tickelliae
- Cyornis turcosus
- Cyornis umbratilis
- Cyornis unicolor
- Cyornis unicolor diaoluoensis
- Cyornis unicolor unicolor
- Cyphorhinus
- Cyphorhinus arada
- Cyphorhinus phaeocephalus
- Cyphorhinus thoracicus
- Cyprus
- Cyprus Coal Tit
- Cyprus Jay
- Cyprus Pied Wheatear
- Cyprus Scops-Owl
- Cyprus Scops Owl
- Cyprus Warbler
- Cyprus Wheatear
- Cypseloides
- Cypseloides cherriei
- Cypseloides cryptus
- Cypseloides fumigatus
- Cypseloides lemosi
- Cypseloides niger
- Cypseloides phelpsi
- Cypseloides rothschildi
- Cypseloides senex
- Cypseloides storeri
- Cypsiurus
- Cypsiurus balasiensis
- Cypsiurus parvus
- Cypsnagra
- Cypsnagra hirundinacea
- Cyrtonyx
- Cyrtonyx montezumae
- Cyrtonyx ocellatus
- Czech Republic
- Czechoslovakia
- Côte d'Ivoire
- D'Albertis's Bird-of-paradise
- D'Albertis's Grassbird
- D'Arnaud's Barbet
- D'Entrecasteaux Pitta
- D'Orbigny's Chat-Tyrant
- D'Orbigny's Chat Tyrant
- D'Orbigny's Seedsnipe
- D100
- D200
- D2X
- D2h
- D50
- D70
- D80
- DCF SP 8X43
- DRC
- DR Congo
- Dabbene's Guan
- Dacelo
- Dacelo gaudichaud
- Dacelo gigas
- Dacelo leachii
- Dacelo novaeguineae
- Dacelo novaeguineae novaeguineae
- Dacelo tyro
- Dacnis
- Dacnis albiventris
- Dacnis berlepschi
- Dacnis cayana
- Dacnis egregia
- Dacnis flaviventer
- Dacnis hartlaubi
- Dacnis lineata
- Dacnis nigripes
- Dacnis venusta
- Dacnis viguieri
- Dactylortyx
- Dactylortyx thoracicus
- Dadia Forest National Park
- Dadia Forest National Park(Thrace,N.E.Greece)
- Dagua Thrush
- Dalat Bush Warbler
- Dalat Shrike-Babbler
- Dalat Shrike Babbler
- Dallas County Conservation Nature Preserve Trail(Adel, Dallas County, IA)
- Dalmatian Pelican
- Damar Flycatcher
- Damara Canary
- Damara Long-billed Lark
- Damara Red-billed Hornbill
- Damara Rock-jumper
- Damara Rockjumper
- Damara Tern
- Dambo Cisticola
- Damophila
- Damophila julie
- Danaus chrysippus
- Danaus genutia
- Dandenong Ranges
- Dandenong Ranges National Park
- Dandenongs
- Danjou's Babbler
- Danube Delta
- Danube delta
- Daphoenositta
- Daphoenositta chrysoptera
- Daphoenositta chrysoptera pileata
- Daphoenositta miranda
- Daphoenositta papuensis
- Dapple-throat
- Dappled Mountain Robin
- Dappled Robin
- Daption
- Daption capense
- Daptrius
- Daptrius ater
- Darjeeling
- Darjeeling Woodpecker
- Dark-Eyed Junco
- Dark-Grey Cuckoo-Shrike
- Dark-backed Imperial-Pigeon
- Dark-backed Imperial Pigeon
- Dark-backed Sibia
- Dark-backed Weaver
- Dark-backed Wood-Quail
- Dark-backed Wood Quail
- Dark-backed wood-quail
- Dark-bellied Babbler
- Dark-bellied Brent Goose
- Dark-bellied Cinclodes
- Dark-billed Cuckoo
- Dark-billed Scaly Babbler
- Dark-breasted Rosefinch
- Dark-breasted Spinetail
- Dark-brown Honeyeater
- Dark-capped Bulbul
- Dark-capped Yellow Warbler
- Dark-crowned White-eye
- Dark-eared Brown Dove
- Dark-eared Dove
- Dark-eared Honeyeater
- Dark-eared Myza
- Dark-eyed Junco
- Dark-eyed White-eye
- Dark-faced Ground-Tyrant
- Dark-faced Ground Tyrant
- Dark-fronted Babbler
- Dark-gray Flycatcher
- Dark-grey Flycatcher
- Dark-grey Tit
- Dark-headed Oriole
- Dark-necked Tailorbird
- Dark-rumped Petrel
- Dark-rumped Rosefinch
- Dark-rumped Swift
- Dark-sided Flycatcher
- Dark-sided Thrush
- Dark-throated Oriole
- Dark-throated Seedeater
- Dark-throated Thrush
- Dark-winged Canastero
- Dark-winged Miner
- Dark-winged Trumpeter
- Dark Backed Sibia
- Dark Batis
- Dark Chanting-Goshawk
- Dark Chanting Goshawk
- Dark Eyed Junco
- Dark Hawk-Cuckoo
- Dark Hemispingus
- Dark Newtonia
- Dark Pewee
- Darss
- Darss(Baltic Coast)
- Darter
- Darter Snake Bird
- Dartford Warbler
- Darwin's Caracara
- Darwin's Flycatcher
- Darwin's Nothura
- Darwin's Rhea
- Dasycrotapha
- Dasycrotapha plateni
- Dasycrotapha pygmaea
- Dasycrotapha speciosa
- Dasylophus
- Dasylophus cumingi
- Dasylophus superciliosus
- Dasyornis
- Dasyornis brachypterus
- Dasyornis broadbenti
- Dasyornis longirostris
- Dasyornithidae
- Daurian Jackdaw
- Daurian Partridge
- Daurian Redstart
- Daurian Shrike
- Daurian Starling
- David's Babbler
- David's Bush-Warbler
- David's Bush Warbler
- David's Crowtit
- David's Fulvetta
- David's Ground-Sparrow
- David's Ground Sparrow
- David's Laughingthrush
- David's Parrotbill
- David's Snowfinch
- Davidson's Leaf-Warbler
- Davis Mountains SP
- Davis Mountains State Park
- Davison's Leaf-Warbler
- Davison's Leaf Warbler
- DePue Lake
- DePue Lake(DePue Illinois)
- De Filippi's Petrel
- Dead Sea Sparrow
- Death Valley
- Death Valley National Park
- Decca Pools
- Deccan Babbler
- Decken's Hornbill
- Deconychura
- Deconychura longicauda
- Deconychura stictolaema
- Dee Estuary
- Deep-blue Flowerpiercer
- Deep-blue Kingfisher
- Deepdale, Barnard Castle
- Deepdale, Barnard Castle, County Durham
- Deer Flat National Wildlife Refuge
- Deer Flat National Wildlife Refuge(Nampa, Idaho)
- Deetzer Erdeloecher(Berlin/ Brandenburg)
- Defilippe's Petrel
- Degodi Bushlark
- Degodi Lark
- Deignan's Babbler
- Delacour's Broadbill
- Delacourella capistrata
- Delalande's Coua
- Delaware
- Delegorgue's Pigeon
- Deleornis
- Deleornis axillaris
- Deleornis fraseri
- Delias eucharis
- Delichon
- Delichon Urbicum
- Delichon dasypus
- Delichon nipalense
- Delichon nipalensis
- Delichon urbica
- Delichon urbicum
- Delothraupis
- Delothraupis castaneoventris
- Delta
- Delta Amacuro Softtail
- Delta de L'Ebre(Catalonia, Spain)
- Deltarhynchus
- Deltarhynchus flammulatus
- Demirkazik
- Democratic Republic of Congo
- Democratic Republic of the Congo
- Demoiselle Crane
- Dendragapus
- Dendragapus falcipennis
- Dendragapus fuliginosus
- Dendragapus obscurus
- Dendrexetastes
- Dendrexetastes rufigula
- Dendrocincla
- Dendrocincla anabatina
- Dendrocincla fuliginosa
- Dendrocincla fuliginosa meruloides
- Dendrocincla homochroa
- Dendrocincla merula
- Dendrocincla turdina
- Dendrocincla tyrannina
- Dendrocitta
- Dendrocitta bayleii
- Dendrocitta bayleyi
- Dendrocitta cinerascens
- Dendrocitta formosae
- Dendrocitta frontalis
- Dendrocitta leucogastra
- Dendrocitta occipitalis
- Dendrocitta vagabunda
- Dendrocitta vagabunda behni
- Dendrocolaptes
- Dendrocolaptes certhia
- Dendrocolaptes hoffmannsi
- Dendrocolaptes picumnus
- Dendrocolaptes platyrostris
- Dendrocolaptes retentus
- Dendrocolaptes sanctithomae
- Dendrocolaptidae
- Dendrocopos
- Dendrocopos (leucotos) owstoni
- Dendrocopos Major
- Dendrocopos analis
- Dendrocopos analis longipennis
- Dendrocopos assimilis
- Dendrocopos atratus
- Dendrocopos auriceps
- Dendrocopos canicapillus
- Dendrocopos cathpharius
- Dendrocopos darjellensis
- Dendrocopos dorae
- Dendrocopos himalayensis
- Dendrocopos hyperythrus
- Dendrocopos kizuki
- Dendrocopos leucopterus
- Dendrocopos leucotos
- Dendrocopos leucotos owstoni
- Dendrocopos macei
- Dendrocopos maculatus


