Brown-breasted flycatcher 
Brown-capped tyrannulet 
Brown-capped Vireo 
Brown-capped weaver 
Brown-chested alethe 
Brown-chested martin 
Brown-crested flycatcher 
Brown-crowned Scimitar Babbler 
Brown-crowned tchagra 
Brown-headed Cowbird 
Brown-headed crow 
Brown-headed honeyeater 
Brown-headed Nuthatch 
Brown-necked raven 
Brown-tailed apalis 
Brown-tailed rock chat 
Brown-throated martin 
Brown-throated sunbird 
Brown-throated wattle-eye 
Brownish twistwing 
Brubru 
Bubbling cisticola 
Buff-bellied tanager 
Buff-bellied warbler