There are collections of real good quality bird calls, remix, and sounds for your leisure to help you create a nice ambient environment surrounded by the song of forest in the nature.
Different type of bird sounds are included such as singing song, chirps, crow, birds in the park, flapping and others.
With these sounds, you can now listen to the chirps whenever you go while traveling to other places of the world. You may try to use it to attract similar breeds of birds surrounding you.
Try to play these sounds with your bird and they may love the voices too or may probably sing back to you. It can be use to train them to learn the singing also.