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Dall's porpoise in Prince William Sound causing a "rooster tail" Dall's porpoises are highly active swimmers. Rapid swimming at the surface creates a characteristic spray called a "rooster tail". They are commonly seen approaching boats to bowride, and they will also ride on the waves formed at the heads of larger swimming whales. [7] [11]
Harbour porpoises were traditionally hunted for food, as well as for their blubber, which was used for lighting fuel. Among others, hunting occurred in the Black Sea, off Normandy, in the Bay of Biscay, off Flanders, in the Little Belt strait, off Iceland, western Norway, in Puget Sound, Bay of Fundy and Gulf of Saint Lawrence.
Instead of sound passing through the outer ear to the middle ear, porpoises receive sound through the throat, from which it passes through a low-impedance fat-filled cavity to the inner ear. [19] The porpoise ear is acoustically isolated from the skull by air-filled sinus pockets, which allow for greater directional hearing underwater. [20]
The Puget Sound region has been rapidly growing. According to the Puget Sound Regional Council (PSRC), a board that plans for growth in the four central counties of the area (Kitsap, Pierce, Snohomish and King counties), the combined population of these counties was nearly 3.4 million residents in 2003.
South Puget Sound is the southern reaches of Puget Sound in Southwest Washington, in the United States' Pacific Northwest. It is one of five major basins encompassing the entire Sound, and the shallowest basin, with a mean depth of 37 meters (121 ft).
A reclusive deep-water species that’s generally found on the coast, Washington Department of Fish and Wildlife (WDFW) biologists think that sixgill sharks come into Puget Sound to pup.
Puget Sound (/ ˈ p juː dʒ ɪ t / PEW-jit; Lushootseed: x̌ʷəlč IPA: [ˈχʷəlt͡ʃ] WHULCH) [1] [2] is a complex estuarine [5] system of interconnected marine waterways and basins located on the northwest coast of the U.S. state of Washington.
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