Here are some sample recordings from the DolphinEar Library. Click on the image or button to go to the appropriate page and listen to the recording. Displayed here are the spectrograms of the sounds. You can see how each is different. Whale and Dolphin vocalisations vary considerably when seen as a spectrogram even if they sound identical to your ear. Spectrogram software come with every DolphinEar hydrophone. For more information see our SOFTWARE PAGE.