Zier, J. C. and J. K. Gaydos. 2015. Harbor porpoise in the Salish Sea: A Species Profile for the Encyclopedia of Puget Sound. Encyclopedia of Puget Sound, Sept 28, 2015.
Type: Technical report or proceeding
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In the 1940s, harbor porpoise were considered one of the most frequently sighted cetaceans in Puget Sound, but by the early 1970s they had almost completely disappeared from local waters. Their numbers have since increased, but they remain a Species of Concern in the state of Washington. This in-depth profile looks at harbor porpoise in the Salish Sea, and was prepared by the SeaDoc Society for inclusion in the Encyclopedia of Puget Sound.