WAssociation of Field OrnithologistsWAves ArgentinasWAves Argentinas-Asociación Ornitológica del PlataWBardsey Bird and Field ObservatoryWBirdLife InternationalWBirdLife SverigeWBirds CanadaWDucks UnlimitedWEdward Grey Institute of Field OrnithologyWField Ornithology Group of Sri LankaWFunds for Endangered ParrotsWGame & Wildlife Conservation TrustWHeligoland Bird ObservatoryWHispaniolan Ornithological SocietyWJerusalem Bird ObservatoryWJourdain SocietyWMongolian Ornithological SocietyWOperation MigrationWPercy FitzPatrick Institute of African OrnithologyWRossitten Bird ObservatoryWScottish Seabird CentreWSpanish Ornithological SocietyWSwiss Ornithological InstituteWTaiwan Wild Bird FederationWVoliere ZürichWWilliam Phelps Ornithological CollectionWYamashina Institute for Ornithology
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