A collection of Cardinal bird sounds from around the world. It is a sound recorded from a real event and a sound created from a simulated event. - select your preferred ringtone and set it to your desired ringtone - there is also one tap to add to favorites quickly. - modern design, easy to use - app is very lightweight - enjoy offline, no internet required Use it to your advantage as desired. whether it is used for listening to simulate or relax. We will continue to add new sounds to keep up-to-date.