Harbor Porpoise National Wildlife Federation
Science AMA Series: Hi Reddit! I'm NOAA scientist Lee Benaka. I work to reduce bycatch in U.S. ocean fisheries to ensure that our fisheries remain sustainable and that protected species are given
California Harbor Porpoises Rebound After Coastal Gillnetting Stopped
Harbor Porpoise: Science
Estimated Harbor Porpoise Take Reduction Plan (HPTRP) pinger compliance
Federal Register :: Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take Reduction Plan Regulations
Take Reduction Team (TRT) - Whale & Dolphin Conservation USA
Conflicts Between Arctic Industries and Cetaceans
Porpoise Device Database
Harbor Porpoise – The Whale Trail
Ocean pollutants affect harbour porpoise fertility