Drifting away from the boat toward the action, I took note as the largest Orca in the pod broke off and made a bee-line for me, pinging me with its sonar. I admit having mixed emotions, when I stood in front of a life-sized model of a 20 meter sperm whale in Andenes, Norway, knowing that I would soon be crossing a deep sea canyon, filled with sperm whales, in a 5 meter Zodiac. Food and Agriculture Organization of the United Nations. At higher density, the whale sinks down; at lower density the whale goes upwards. A Taxonomic and Geographic Reference 3rd ed. Arnoux's beaked whale B.
Commercial whaling has ceased,  and the species is protected almost worldwide, though records indicate that in the eleven-year period starting from , Japan has caught 51 sperm whales. Archived from the original on 3 March They occurred often in necklaces. Retrieved 12 October
Blue Whale is a massive sized animal is also the loudest animals on the earth. One hypothesis is that the teeth are used in aggression between males. The Journal of the Acoustical Society of America. Interestingly although their penis is relatively long the average diameter of the penis is estimated to be about 1 ft.