Blue-gray tanager 
Blue-grey robin 
Blue-headed hummingbird 
Blue-headed macaw 
Blue-headed Parrot 
blue-headed sapphire 
Blue-headed vireo 
Blue-legged chameleon 
Blue-lined surgeonfish 
Blue-lipped Forest Anole 
Blue-lored antbird 
Blue-mantled thornbill 
Blue-naped Chlorophonia 
Blue-naped Mousebird 
Blue-naped Parrot 
Blue-necked tanager 
Blue-shouldered robin-chat 
Blue-sided leaf frog 
Blue-speckled Forest Skink 
Blue-spotted pufferfish 
Blue-spotted salamander 
Blue-spotted spinefoot 
Blue-spotted sunfish 
Blue-spotted wood dove