Harbor Porpoise Take Reduction Plan

Two Populations of Harbor Porpoises in Southeast Alaska

Porpoise Device Database

Harbor porpoise Washington Department of Fish & Wildlife

Marine Mammals for the Pacific Waters

Acoustic Marine Mammal Deterrents

Modifications to the Harbor Porpoise Take Reduction Plan (HPTRP) for

Observed overall Harbor Porpoise Take Reduction Plan (HPTRP) compliance

Harbor porpoise Washington Department of Fish & Wildlife

2020 and 2021 Combined Report of Marine Mammal Strandings in the United States

Europe scrambles to save the Baltic Sea Harbour Porpoise — Porpoise Conservation Society

Blood, guts and suspiciously mangled fins: inside a porpoise autopsy, Cetaceans

Take Reduction Teams Archives - Marine Mammal Commission

Whale Deterrent pinger / Underwater protection device , sell by set ( 3 pieces )