How do pigeons go home?

Pigeons return to their nests by grouping and automatic positioning.

1, pigeon. Groups fly outside and come back with pigeons;

2. When flying alone, it depends on automatic positioning. Pigeons have a navigator in their brains. When homing pigeons compete, they are transported to far away places to fly. At this time, pigeons have to rely on the navigator in their brains to locate and then fly back.