- Automolus rufipileatus
- Automolus subulatus
- Avas Gorge
- Avas Gorge Greece
- Aves
- Aviceda
- Aviceda cuculoides
- Aviceda jerdoni
- Aviceda leuphotes
- Aviceda madagascariensis
- Aviceda subcristata
- Aviceda subcristata megala
- Avocettula
- Avocettula recurvirostris
- Axios-Aliakmon Deltas
- Axios-Aliakmon Deltas Greece
- Ayacucho Thistletail
- Ayeyarwady Bulbul
- Aylesbeare Common
- Aylesbeare Common RSPB (England)
- Aylesbeare Common RSPB Reserve
- Ayres' Hawk-Eagle
- Ayres' Hawk Eagle
- Ayres's Hawk-Eagle
- Ayres's Hawk Eagle
- Ayres's hawk-eagle
- Ayres Hawk-Eagle
- Ayrshire
- Aythya
- Aythya affinis
- Aythya americana
- Aythya australis
- Aythya baeri
- Aythya collaris
- Aythya ferina
- Aythya fuligula
- Aythya innotata
- Aythya marila
- Aythya marila marila
- Aythya novaeseelandiae
- Aythya nyroca
- Aythya valisineria
- Azara's Spinetail
- Azerbaijan
- Azore Islands
- Azorean Bullfinch
- Azores
- Azores Bullfinch
- Azores Portugal
- Azraq
- Azraq Jordan
- Aztec Rail
- Aztec Thrush
- Aztec parakeet
- Azuero Dove
- Azuero Parakeet
- Azure-breasted Pitta
- Azure-crested Flycatcher
- Azure-crowned Hummingbird
- Azure-hooded Jay
- Azure-naped Jay
- Azure-rumped Parrot
- Azure-rumped Tanager
- Azure-shouldered Tanager
- Azure-winged Magpie
- Azure Dollarbird
- Azure Gallinule
- Azure Jay
- Azure Kingfisher
- Azure Nuthatch
- Azure Roller
- Azure Tit
- BC
- BD 8.5 & 10 x 42 BR Aspheric
- BG-E1 Battery Pack/ Portrait Grip
- BG-E2 Battery Grip for EOS 20D
- BG-ED3
- BH-3
- BLAFJELLA-SKJAEKERFJELLA NATIONAL PARK
- BRANDON MARSHES(BRANDON , COVENTRY)
- Babadag
- Babadag Romania
- Babar
- Babax
- Babax koslowi
- Babax lanceolatus
- Babax lanceolatus woodi
- Babax waddelli
- Babax woodi
- Babbler-tit
- Babbling Starling
- Bacan
- Bachman's Sparrow
- Bachman's Warbler
- Backwater Reservoir, Angus
- Baeolophus
- Baeolophus atricristatus
- Baeolophus bicolor
- Baeolophus inornatus
- Baeolophus ridgwayi
- Baeolophus wollweberi
- Baeopogon
- Baeopogon clamans
- Baeopogon indicator
- Baer's Pochard
- Bafa Golu (Camici Golu)
- Bafa Golu (Camiiçi Golu)
- Baglafecht Weaver
- Bagobo Babbler
- Bagobo Robin
- Bahama Islands
- Bahama Mockingbird
- Bahama Oriole
- Bahama Pintail
- Bahama Swallow
- Bahama Warbler
- Bahama Woodpecker
- Bahama Woodstar
- Bahama Yellowthroat
- Bahamas
- Bahamas Oriole
- Bahamas Pintail
- Bahamas Woodstar
- Bahia Antwren
- Bahia Nighthawk
- Bahia Spinetail
- Bahia Tapaculo
- Bahia Tyrannulet
- Bahian Nighthawk
- Bahrain
- Baie de Bourgneuf and Ile de Noirmoutier
- Baie de Bourgneuf and ÃŽle de Noirmoutier France
- Baie de Vilaine
- Baie de Vilaine France
- Baie du Mont-Saint-Michel
- Baie du Mont-Saint-Michel France
- Baikal Bush-Warbler
- Baikal Bush Warbler
- Baikal Teal
- Bailey's Chickadee
- Baillon's Crake
- Baillon's Toucan
- Baillon's Toucanet
- Baillonius
- Baillonius bailloni
- Baird's Flycatcher
- Baird's Junco
- Baird's Sandpiper
- Baird's Sparrow
- Baird's Trogon
- Baird's Vireo
- Baixo Alentejo
- Baixo Alentejo Portugal
- Baja California
- Baja California Sur
- Baja Pygmy Owl
- Baka Indigobird
- Baker's Bowerbird
- Baker's Imperial-Pigeon
- Baker's Imperial Pigeon
- Baker's Yuhina
- Balabac Blue-Flycatcher
- Balabac Blue Flycatcher
- Balaeniceps
- Balaeniceps rex
- Balaenicipididae
- Balaenicipitidae
- Balaram Ambaji Wildlife Sanctuary
- Balcones Canyonlands NWR
- Balcones Canyonlands NWR(Texas Hill Country)
- Balcones Canyonlands National Wildlife Refuge
- Bald-faced Rail
- Bald-headed Crow
- Bald-headed Wood-shrike
- Bald-headed Woodshrike
- Bald Eagle
- Bald Eagle-Otter Lakes Regional Park
- Bald Ibis
- Bald Parrot
- Bald Point State Park
- Bald Point State Park(Panhandle)
- Bald Starling
- Balearic Crossbill
- Balearic Islands
- Balearic Shearwater
- Balearic Warbler
- Balearica
- Balearica pavonina
- Balearica regulorum
- Balearica regulorum gibbericeps
- Balearics
- Balgavies Loch
- Bali
- Bali Indonesia
- Bali Myna
- Bali Mynah
- Bali Starling
- Balicassiao
- Baliem Whistler
- Balim Whistler
- Balkan
- Balkans
- Ballman's Malimbe
- Ballmann's Malimbe
- Balmorhea
- Balsas Screech-Owl
- Balsas Screech Owl
- Balsas Woodpecker
- Baltic Gull
- Baltic States
- Baltimore Oriole
- Baltoji Voke Fishponds and Peat Land
- Baltoji Voke fishponds and peat land(Lithuania)
- Bamboo-Partridge
- Bamboo-Partridges
- Bamboo Antshrike
- Bamboo Antwren
- Bamboo Flatbill
- Bamboo Foliage-gleaner
- Bamboo Partridge
- Bamboo Partridges
- Bamboo Scrub-Warbler
- Bamboo Warbler
- Bamboo Woodpecker
- Bambusicola
- Bambusicola fytchii
- Bambusicola fytchii hopkinsoni
- Bambusicola sonorivox
- Bambusicola thoracica
- Bambusicola thoracicus
- Bambusicola thoracicus sonorivox
- Bamenda Apalis
- Banana Toucan
- Banana Toucanet
- Bananal Antbird
- Bananaquit
- Banasura Laughingthrush
- Banc D'Arguin National Park
- Banc D'Arguin National Park Mauritania
- Band-backed Wren
- Band-bellied Crake
- Band-bellied Owl
- Band-rumped Storm-Petrel
- Band-rumped Storm Petrel
- Band-rumped Swift
- Band-rumped storm-petrel
- Band-tailed Antbird
- Band-tailed Antcreeper
- Band-tailed Antshrike
- Band-tailed Antwren
- Band-tailed Barbthroat
- Band-tailed Cacique
- Band-tailed Earthcreeper
- Band-tailed Fruiteater
- Band-tailed Guan
- Band-tailed Gull
- Band-tailed Hornero
- Band-tailed Jay
- Band-tailed Manakin
- Band-tailed Nighthawk
- Band-tailed Oropendola
- Band-tailed Pigeon
- Band-tailed Seedeater
- Band-tailed Sierra-Finch
- Band-tailed Sierra Finch
- Band-winged Nightjar
- Banda
- Banda Islands
- Banda Myzomela
- Banda Sea Whistler
- Banded-tail Pigeon
- Banded Antbird
- Banded Antcatcher
- Banded Barbet
- Banded Bay-Cuckoo
- Banded Bay Cuckoo
- Banded Broadbill
- Banded Cotinga
- Banded Fruit-Dove
- Banded Fruit Dove
- Banded Green Sunbird
- Banded Ground-Cuckoo
- Banded Ground Cuckoo
- Banded Honeyeater
- Banded Imperial-Pigeon
- Banded Imperial Pigeon
- Banded Kestrel
- Banded Kingfisher
- Banded Lapwing
- Banded Martin
- Banded Parisoma
- Banded Pitta
- Banded Plover
- Banded Prinia
- Banded Quail
- Banded Red Woodpecker
- Banded Snake-Eagle
- Banded Snake Eagle
- Banded Stilt
- Banded Sunbird
- Banded Warbler
- Banded Wattle-eye
- Banded White-eye
- Banded Whiteface
- Banded Woodpecker
- Banded Wren
- Banded Yellow Robin
- Bandhavgarh
- Banff National Park
- Banggai Crow
- Banggai Fruit-Dove
- Banggai Fruit Dove
- Bangladesh
- Bangsia
- Bangsia arcaei
- Bangsia aureocincta
- Bangsia edwardsi
- Bangsia melanochlamys
- Bangsia rothschildi
- Bangwa Forest-Warbler
- Bangwa Forest Warbler
- Bangwa Scrub-Warbler
- Bangwa Warbler
- Bank Cormorant
- Bank Myna
- Bank Mynah
- Bank Swallow
- Bannerman's Pipit
- Bannerman's Shearwater
- Bannerman's Sunbird
- Bannerman's Turaco
- Bannerman's Weaver
- Banni Grassland
- Banni Grassland and Chhari Dhand
- Banni Savanah-type Grassland
- Bar-backed Laughingthrush
- Bar-backed Partridge
- Bar-bellied Cuckoo-shrike
- Bar-bellied Cuckooshrike
- Bar-bellied Pitta
- Bar-bellied Woodcreeper
- Bar-bellied Woodpecker
- Bar-breasted Firefinch
- Bar-breasted Honeyeater
- Bar-breasted Piculet


