Start them young. Give them a good home so they want to come back. By Malia Wollan “Don’t get too attached,” says Joseph LaQuiere, a 16-year-old youth ambassador for the American Racing Pigeon Union.

When Hasan Khalil, a 34-year-old from northern Iraq, first saw pigeons flying around the Syrian refugee camp where he spent the majority of his childhood, he never could have imagined that he would ...