AZ Animals on MSN
Why do 100,000 birds move as one? Science explains
Have you ever glanced up at the sky in late summer or the fall and seen a huge flock of birds create the most amazing shapes?
Add Yahoo as a preferred source to see more of our stories on Google. A shape-shifting flock of thousands of starlings, called a murmuration, is amazing to see. As many as 750,000 birds join together ...
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