Barred fruiteater 
Barred warbler 
Barred wren-warbler 
Basra reed warbler 
Bassian Thrush 
Bates's Sunbird 
Batess paradise flycatcher 
Baudó oropendola 
Bay antpitta 
Bay wren 
Bay-backed shrike 
Bay-breasted warbler 
Bay-headed Tanager 
Bay-vented cotinga 
Baya Weaver 
Bearded bellbird 
Bearded reedling 
Bearded Scrub-Robin 
Beautiful firetail 
Beautiful nuthatch 
Beautiful Sunbird 
Belford's Melidectes 
Bell Miner 
Bell's sparrow