blow - brea
- blue-blooded
- Blue-bonnet
- blue-bottle
- blue-collar
- Blue-eye
- Blue-eyed
- Blue-eyed grass
- blue-eyed yellow warbler
- blue-footed booby
- Blue-grass State
- blue-green alga
- blue-green algae
- blue-green algae
- Blue-john
- blue-pencil
- blue-ribbon
- Blue-skylaw
- Blue-throated robin
- blue-throated robin
- blue-throated warbler