MigrationFlock

One migrating flock: wild pets of a species crossing the sky along a straight path that passes over a player halfway through its flight. Each member is an ordinary wild pet, full model and animations, flying this route at the top of its Mind program: a slot in a loose formation around an anchor that moves along the path, nudged apart from its neighbours and bobbing gently. A player who reaches one can tame it, which takes it out of the flock. When the crossing ends, the members still flying go.