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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do flocks of birds swoop and swirl together ...