lets just say a 1000 birds get liberated they get attacked by falcons they scatter in batches in all directions what to say when they dont get attacked again maybe 30 mile down the road when they are on the run from the first attack sending young birds 100 mile in the wrong direction then a 100 mile race becomes a 300 mile race or more for some young birds if its in there first few races in there young lives very few of these will make it back