void Start()
    {
        birdCount = _DefaultBirdCount;
        selectedStation = stationList.random;

        highStation = GameObject.Find ("High Station").transform.position;
        lowStation = GameObject.Find ("Low Station").transform.position;
    }
 public void setStation(stationList newStation)
 {
     audio.PlayOneShot(changeStation);
     selectedStation = newStation;
 }