1. Common vireo of northeastern North America with bluish slaty-grey head
   - blue-headed vireo

Type of: vireo

• biodegradable pollution
• biodegradation
• biodegrade
• biodiesel
• biodiversity
• biodynamics
• bioelectric
• bioelectricity
• bioengineer
• bioengineering
• bioethics
• biofeedback
• bioflavinoid
• bioflavonoid
• biofuel
• biogas
• biogenesis
• biogenetic
• biogenic
• biogenous
• biogeny
• biogeographic
• biogeographical
• biogeographical region
• biogeography