1. Whale Songs

2. Humpback whale song, wavelet graph These images are visual representations of songs sung by whales and dolphins

3. Blue Whale song, wavelet graph To look at a spectrogram you will see a simple blur with a few harmonics

4. Humpback whale song, wavelet graph With wavelets, however, an image is displayed with extraordinary structure.

5. Humpback whale song, wavelet graph The effect is even more apparent when color is applied and the graph transformed from rectangular to polar coordinates, forming a circular graph

6. White beaked dolphin sound frequencies

9. Atlantic spotted dolphin

11. False killer whale sounds, wavelet graph

12. Minke whale song, wavelet graph