Bird Swarm

Really it's a bird! It's a cloud! It's a bird cloud. In Denmark, big flock of 300,000 birds created a wavelike cloud. As per ornithologists (specialist of bird), these feathered friends really do prefer to roost together, and the massive formations are a sort of pre-roost ritual that take on these odd shapes. It is amazing ya ... and too mesmerizing.
Lets see the video too.