A collection of Black-crested bulbul 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 for android phone and set it to your desired ringtone. - timer : set the time to play the sound continuously, looping. - 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. whe