* The author is part of the community of readers of La Vanguardia

In the sky on the road from Altet to Canós, in Urgell, I saw these white storks. there were many, but I realized that not all are storks, do you know how to distinguish black kites?

Actually, this image is ideal to pose other visual challenges in The Challenge of the Readers of La Vanguardia. To overcome it, you have to answer this question correctly: How many black kites are there among the storks?

In order to overcome this Challenge, you must pay close attention to this image and locate and point out all the black kites that appear in the sky along with the storks. Let’s play?

The black kite (Milvus migrans) is an abundant species of bird of prey in Europe. It has a length of 50 to 60 centimeters, a wingspan of between 130 and 150 centimeters and a weight that ranges from 750 grams to one kilo.

Having said this, in case it helps you, I ask you: have you managed to locate the black kites? How many? I have seen 15, which I have marked to show you in this image the solution to this visual challenge. Have you seen them all?