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Blue-throated Piping-Guan
Pipile cumanensis
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Blue-winged Kookaburra
Dacelo leachii
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Blue-winged Laughingthrush
Trochalopteron squamatum
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Blue-winged Leafbird
Chloropsis cochinchinensis
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Blue-winged Macaw
Primolius maracana
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Blue-winged Minla
Actinodura cyanouroptera
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Blue-winged Mountain Tanager
Anisognathus somptuosus
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Blue-winged Pitta
Pitta moluccensis
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Blue-winged Teal
Spatula discors
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Blue-winged Warbler
Vermivora cyanoptera
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Bluethroat
Luscinia svecica
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Bluish Flowerpiercer
Diglossa caerulescens
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Bluish-fronted Jacamar
Galbula cyanescens
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Bluish-slate Antshrike
Thamnomanes schistogynus
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Blunt-winged Warbler
Acrocephalus concinens
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Blyth's Frogmouth
Batrachostomus affinis
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Blyth's Hornbill
Rhyticeros plicatus
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Blyth's Leaf Warbler
Phylloscopus reguloides
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Blyth's Paradise-Flycatcher
Terpsiphone affinis
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Blyth's Pipit
Anthus godlewskii
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Blyth's Reed Warbler
Acrocephalus dumetorum
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Blyth's Shrike-Babbler
Pteruthius aeralatus
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Boat-billed Flycatcher
Megarynchus pitangua
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Boat-billed Heron
Cochlearius cochlearius
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Boat-tailed Grackle
Quiscalus major
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Bobolink
Dolichonyx oryzivorus
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Bogota Rail
Rallus semiplumbeus
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Bohemian Waxwing
Bombycilla garrulus
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Bokmakierie
Telophorus zeylonus
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Bold-striped Tit-Babbler
Mixornis bornensis
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Bolivian Blackbird
Oreopsar bolivianus
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Bolivian Brushfinch
Atlapetes rufinucha
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Bolivian Earthcreeper
Tarphonomus harterti
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Bolivian Recurvebill
Syndactyla striata
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Bolivian Slaty-Antshrike
Thamnophilus sticturus
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Bolivian Tapaculo
Scytalopus bolivianus
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Bolivian Tyrannulet
Zimmerius bolivianus
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Bonaparte's Gull
Chroicocephalus philadelphia
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Bonin Petrel
Pterodroma hypoleuca
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Booted Eagle
Hieraaetus pennatus
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Booted Racket-tail
Ocreatus underwoodii
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Booted Warbler
Iduna caligata
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Boreal Chickadee
Poecile hudsonicus
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Boreal Owl
Aegolius funereus
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Bornean Banded-Pitta
Hydrornis schwaneri
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Bornean Barbet
Psilopogon eximius
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Bornean Blue Flycatcher
Cyornis superbus
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Bornean Bristlehead
Pityriasis gymnocephala
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Bornean Green-Magpie
Cissa jefferyi
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Bornean Ground-Cuckoo
Carpococcyx radiceus
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Bornean Stubtail
Urosphena whiteheadi
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Bornean Treepie
Dendrocitta cinerascens
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Bornean Whistler
Pachycephala hypoxantha
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Bornean Wren-Babbler
Ptilocichla leucogrammica
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Botteri's Sparrow
Peucaea botterii
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Boucard's Wren
Campylorhynchus jocosus
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Bower's Shrikethrush
Colluricincla boweri
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Brahminy Kite
Haliastur indus
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Brahminy Starling
Sturnia pagodarum
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Brambling
Fringilla montifringilla
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Bran-colored Flycatcher
Myiophobus fasciatus
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Brant
Branta bernicla
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Brasilia Tapaculo
Scytalopus novacapitalis
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Brassy-breasted Tanager
Tangara desmaresti
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Brazilian Ruby
Clytolaema rubricauda
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Brazilian Tanager
Ramphocelus bresilius
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Brazilian Teal
Amazonetta brasiliensis
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Brazilian Tinamou
Crypturellus strigulosus
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Brewer's Blackbird
Euphagus cyanocephalus
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Brewer's Sparrow
Spizella breweri
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Bridled Honeyeater
Bolemoreus frenatus
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Bridled Sparrow
Peucaea mystacalis
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Bridled Tern
Onychoprion anaethetus
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Bridled Titmouse
Baeolophus wollweberi
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Bright-rumped Attila
Attila spadiceus
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Bright-rumped Yellow-Finch
Sicalis uropygialis
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Brimley's Chorus Frog
Pseudacris brimleyi
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Brimstone Canary
Crithagra sulphurata
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Bristle-thighed Curlew
Numenius tahitiensis
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Bristled Grassbird
Schoenicola striatus
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Broad-billed Flycatcher
Myiagra ruficollis
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Broad-billed Hummingbird
Cynanthus latirostris
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Broad-billed Motmot
Electron platyrhynchum
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Broad-billed Roller
Eurystomus glaucurus
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Broad-billed Sandpiper
Calidris falcinellus
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Broad-billed Tody
Todus subulatus
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Broad-billed Warbler
Tickellia hodgsoni
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Broad-tailed Grassbird
Schoenicola platyurus
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Broad-tailed Hummingbird
Selasphorus platycercus
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Broad-winged Hawk
Buteo platypterus
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Brolga
Antigone rubicunda
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Bronze Mannikin
Spermestes cucullata
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Bronze Sunbird
Nectarinia kilimensis
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Bronze-green Euphonia
Euphonia mesochrysa
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Bronze-naped Pigeon
Columba iriditorques
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Bronze-olive Pygmy-Tyrant
Pseudotriccus pelzelni
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Bronze-tailed Peacock-Pheasant
Polyplectron chalcurum
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Bronze-tailed Plumeleteer
Chalybura urochrysia
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Bronze-winged Jacana
Metopidius indicus
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Bronze-winged Parrot
Pionus chalcopterus
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