Dinosaur sounds app features a collection of fantastic roars, grunts and bellows from a variety of amazing dinosaurs! Dinosaur Sounds can be played by tapping on a Dinosaur picture and use as Ringtones, Notifications and Alarms by long pressing on a sound and selecting the relevant option. Dinosaurs probably made noises to signal that they were looking for a mate, that there was danger, or that they were hurt. Babies may have made sounds to let adults know they needed food or were in trouble.