The Stray White and the Speckled (1986)

Original title: Чужая белая и рябой

In a poor provincial town, the ragamuffin boys are frenziedly drilled for combat, and at nights the local elite, gathered in a pool room, boasts of fictitious biographies, while bands of boys amuse themselves with bloody fights on trashy vacant plots… One of the most vivid staples of the postwar childhood were pigeons. They could be bought, sold or stolen. One day a beautiful white dove appeared over the town. Risking his life, Ivan caught the White. And immediately became the target of the "pigeon" mafia…