- Diomedea irrorata
- Diomedea melanophris
- Diomedea melanophrys
- Diomedea nigripes
- Diomedea salvini
- Diomedea sanfordi
- Diomedeidae
- Diopsittaca
- Diopsittaca nobilis
- Dioptornis fischeri
- Dioptrornis
- Dioptrornis brunneus
- Dioptrornis chocolatinus
- Dioptrornis fischeri
- Diphyllodes
- Diphyllodes magnificus
- Diphyllodes respublica
- Discosura
- Discosura conversii
- Discosura langsdorffi
- Discosura letitiae
- Discosura longicaudus
- Discosura popelairii
- Dissemuroides andamanensis
- Dissemuroides paradiseus
- Dissemurus paradiseus
- Diuca
- Diuca diuca
- Diuca diuca crassirostris
- Diuca diuca diuca
- Diuca speculifera
- Diver
- Divers
- Dives
- Dives atroviolacea
- Dives atroviolaceus
- Dives dives
- Dives warczewiczi
- Dives warczewiczi kalinowskii
- Dives warszewiczi
- Diving-Petrel
- Diving-Petrels
- Diving Petrel
- Diving Petrels
- Dixiphia
- Dixiphia chloromeros
- Dixiphia cornuta
- Dixiphia erythrocephala
- Dixiphia mentalis
- Dixiphia pipra
- Dixiphia rubrocapilla
- Dja River Swamp-Warbler
- Dja River Swamp Warbler
- Dja River Warbler
- Djibouti
- Djibouti Francolin
- Dodo
- Dodson's Bulbul
- Doering's Thornbird
- Doherty's Bush-shrike
- Doherty's Bushshrike
- Dohrn's Flycatcher
- Dohrn's Thrush-Babbler
- Dohrn's Thrush-babbler
- Doi Inthanon National Park
- Doi Inthanon National Park (Thailand)
- Doi Inthanon National Park Thailand(90 Kilometers from Chiang Mai Thailand)
- Doi Lang
- Dolichonyx
- Dolichonyx oryzivorus
- Doliornis
- Doliornis remseni
- Doliornis sclateri
- Dollarbird
- Dolospingus
- Dolospingus fringilloides
- Dolphin Gull
- Dominica
- Dominican Republic
- Donacobiidae
- Donacobius
- Donacobius atricapilla
- Donacobius atricapilla nigrodorsalis
- Donacobius atricapillus
- Donacospiza
- Donacospiza albifrons
- Donaldson-Smith's Nightjar
- Donaldson-Smith's Sparrow-Weaver
- Donaldson-Smith's Sparrow Weaver
- Donaldson Smith's Nightjar
- Donaldson Smith's Sparrow-Weaver
- Donaldson Smith’s Nightjar
- Donaldson Smith’s Sparrow-Weaver
- Doria's Goshawk
- Doricha
- Doricha eliza
- Doricha enicura
- Dorney Lake
- Dorset
- Dorst's Cisticola
- Doryfera
- Doryfera johannae
- Doryfera ludovicae
- Dot-backed Antbird
- Dot-eared Coquette
- Dot-fronted Woodpecker
- Dot-winged Antwren
- Dot-winged Crake
- Dotted Tanager
- Double-banded Courser
- Double-banded Graytail
- Double-banded Greytail
- Double-banded Plover
- Double-banded Pygmy-Tyrant
- Double-banded Pygmy Tyrant
- Double-banded Sandgrouse
- Double-barred Finch
- Double-collared Crescentchest
- Double-collared Seedeater
- Double-crested Cormorant
- Double-eyed Fig-Parrot
- Double-eyed Fig Parrot
- Double-spurred Francolin
- Double-striped Thick-knee
- Double-toothed Barbet
- Double-toothed Kite
- Double-wattled Cassowary
- Double Crested Cormorant
- Double Toothed Kite
- Doubleday's Hummingbird
- Dove Prion
- Dovekie
- Downy Woodpecker
- Dr Alfredo Barrera Marin Botanical Garden
- Dr Alfredo Barrera Marin Botanical Gardens(Quintanna Roo, Mexico)
- Drab-breasted Bamboo Tyrant
- Drab-breasted Pygmy-Tyrant
- Drab-breasted Pygmy Tyrant
- Drab Hemispingus
- Drab Honeyeater
- Drab Myzomela
- Drab Seedeater
- Drab Swiftlet
- Drab Tanager
- Drab Water-Tyrant
- Drab Water Tyrant
- Drab Whistler
- Drakensberg Prinia
- Drakensberg Rockjumper
- Drakensberg Siskin
- Drakensburg Rock-jumper
- Drakensburg Rockjumper
- Drepanididae
- Drepanis
- Drepanis coccinea
- Drepanis funerea
- Drepanis pacifica
- Drepanoptila
- Drepanoptila holosericea
- Drepanorhynchus
- Drepanorhynchus reichenowi
- Drepanornis
- Drepanornis albertisi
- Drepanornis bruijnii
- Dreptes
- Dreptes thomensis
- Drohiczyn and surrounding area(River Bug, Mazowsze / Podlasie)
- Drohiczyn area (River Bug, Mazowsze and Podlasie)
- Dromadidae
- Dromaeocercus
- Dromaeocercus brunneus
- Dromaeocercus seebohmi
- Dromaiidae
- Dromaius
- Dromaius ater
- Dromaius baudinianus
- Dromaius novaehollandiae
- Dromas
- Dromas Ardeola
- Dromas ardeola
- Dromococcyx
- Dromococcyx pavoninus
- Dromococcyx phasianellus
- Drongo-Cuckoo
- Drongo Cuckoo
- Drongo Fantail
- Druridge Bay
- Dry-forest Sabrewing
- Dry Tortugas NP(West of Key West)
- Dry Tortugas National Park
- Dryandra Woodland
- Drymocichla
- Drymocichla incana
- Drymodes
- Drymodes beccarii
- Drymodes brunneopygia
- Drymodes superciliaris
- Drymophila
- Drymophila caudata
- Drymophila devillei
- Drymophila ferruginea
- Drymophila genei
- Drymophila hellmayri
- Drymophila klagesi
- Drymophila malura
- Drymophila ochropyga
- Drymophila rubricollis
- Drymophila squamata
- Drymophila striaticeps
- Drymornis
- Drymornis bridgesii
- Drymotoxeres pucherani
- Drymotoxeres pucheranii
- Dryobates
- Dryobates albolarvatus
- Dryobates arizonae
- Dryobates borealis
- Dryobates cathpharius
- Dryobates fumigatus
- Dryobates minor
- Dryobates minor ledouci
- Dryobates nuttallii
- Dryobates pubescens
- Dryobates pubescens turati
- Dryobates scalaris
- Dryobates villosus
- Dryobates villosus hyloscopus
- Dryocopus
- Dryocopus galeatus
- Dryocopus hodgei
- Dryocopus javensis
- Dryocopus lineatus
- Dryocopus lineatus erythrops
- Dryocopus lineatus fuscipennis
- Dryocopus lineatus lineatus
- Dryocopus lineatus similis
- Dryocopus martius
- Dryocopus martius martius
- Dryocopus pileatus
- Dryocopus schulzi
- Dryocopus schulzii
- Dryolimnas
- Dryolimnas cuvieri
- Dryolimnas cuvieri cuvieri
- Dryonastes berthemyi
- Dryonastes caerulatus
- Dryonastes chinensis
- Dryonastes courtoisi
- Dryonastes delesserti
- Dryonastes galbanus
- Dryonastes gularis
- Dryonastes nuchalis
- Dryonastes poecilorhynchus
- Dryonastes ruficollis
- Dryonastes sannio
- Dryonastes vassali
- Dryoscopus
- Dryoscopus angolensis
- Dryoscopus cubla
- Dryoscopus gambensis
- Dryoscopus pringlii
- Dryoscopus sabini
- Dryoscopus senegalensis
- Dryotriorchis
- Dryotriorchis spectabilis
- DuPlooy's Jungle Lodge(Belize, Cayo District, Central America)
- Dubious False-thrush
- Dubois's Seedeater
- Dubusia
- Dubusia castaneoventris
- Dubusia rufiventris
- Dubusia taeniata
- Duchess Lorikeet
- Duck
- Ducks
- Ducorps's Cockatoo
- Ducula
- Ducula aenea
- Ducula aurorae
- Ducula badia
- Ducula bakeri
- Ducula basilica
- Ducula bicolor
- Ducula brenchleyi
- Ducula carola
- Ducula chalconota
- Ducula cineracea
- Ducula concinna
- Ducula constans
- Ducula finschii
- Ducula forsteni
- Ducula galeata
- Ducula goliath
- Ducula lacernulata
- Ducula latrans
- Ducula luctuosa
- Ducula melanochroa
- Ducula mindorensis
- Ducula mullerii
- Ducula myristicivora
- Ducula neglecta
- Ducula nicobarica
- Ducula oceanica
- Ducula pacifica
- Ducula perspicillata
- Ducula perspicillata perspicillata
- Ducula pickeringii
- Ducula pinon
- Ducula pinon jobiensis
- Ducula pistrinaria
- Ducula pistrinaria pistrinaria
- Ducula poliocephala
- Ducula radiata
- Ducula rosacea
- Ducula rubricera
- Ducula rufigaster
- Ducula spilorrhoa
- Ducula subflavescens
- Ducula whartoni
- Ducula zoeae
- Duetting Giant-Honeyeater
- Duetting Giant Honeyeater
- Dugand's Antwren
- Duida Grass-Finch
- Duida Grass Finch
- Duida Woodcreeper
- Dulidae
- Dulit Frogmouth
- Dulit Partridge
- Dull-blue Flycatcher
- Dull-capped Attila
- Dull-colored Grassquit
- Dull-mantled Antbird
- Dull Flycatcher
- Dulus
- Dulus dominicus
- Dumetella
- Dumetella carolinensis
- Dumetia
- Dumetia hyperythra
- Dune Lark
- Dungeness
- Dunlin
- Dunn's Lark
- Dunnet Head


