Millions of birds called starlings lived in Israel 20 years ago. Now there are fewer starlings, but people know that the birds are returning.
A video from Israel shows starlings flying together in a big flock. The starlings fly very close together and move in the same directions at the same time. The starlings look like a black cloud. This is called a murmuration.
The birds fly like this to find food and to stay safe from birds of prey.
Difficult words: starling (a little bird), flock (a big group of animals), bird of prey (a big bird that eats smaller birds).
