Blue-and-gold tanager 
Blue-and-white flycatcher 
Blue-and-white swallow 
Blue-and-yellow tanager 
Blue-backed conebill 
Blue-backed manakin 
Blue-banded pitta 
Blue-black grassquit 
Blue-browed tanager 
Blue-capped cordon-bleu 
Blue-capped manakin 
Blue-capped tanager 
Blue-faced Honeyeater 
Blue-faced parrotfinch 
Blue-fronted redstart 
Blue-gray Gnatcatcher 
Blue-gray tanager 
Blue-grey robin 
Blue-headed vireo 
Blue-lored antbird 
Blue-naped Chlorophonia 
Blue-necked tanager 
Blue-shouldered robin-chat 
Blue-throated brown sunbird