If I should have put this in beginner bird id, I apologize to all experts who will consider this post elementary.
I have a very bad photo of what I think has to be Curlew Sandpipers. The location was the Pineta Staggioi area of the Po Delta (Marina Romea). There are spots on the undertail coverts and I wondered if those would be the first change from winter to summer plumage. Also, I'm not sure of id because in real life, these birds seemed to have more curve to the bill than the photos show and they seemed larger than 20 centimeters.This won't be a lifer for me, but I didn't want to list them on my Po list if I'm wrong about the id. They were very wary and I flushed a group of three twice, before I saw them. I was too slow to take in the whole bird as it flew. Instead of looking where I should have (the rump, wings), I looked at the head and bill. I was caught off guard and everything was too fast for me. I happened to tip-toe to this sand bank and got these at a long distance before they also took off. I can't think what they might be besides CS, but I just want to be sure.
Thank you for help and tips. Colin, I know the biggest tip is to GET A SCOPE!
Actually, I don't think one would have helped here, things were too fast.