Blue capped rock thrush 
Blue dacnis 
Blue grosbeak 
Blue Jay 
Blue manakin 
Blue Nuthatch 
Blue Pitta 
Blue rock thrush 
Blue Swallow 
Blue Vanga 
Blue Waxbill 
Blue whistling thrush 
Blue-and-black tanager 
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