Feasibility Study Draft

The Elakha Alliance is pleased to present this scientific Feasibility Study Draft regarding sea otter reintroduction in Oregon. A team of six leading scientists (led by Dr. Tim Tinker; see list below) evaluated key dimensions of a proposed sea otter reintroduction, including source population dynamics, habitat suitability, ecological considerations, social and economic impacts, legal requirements, logistics, and more.

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Explore By Chapter

Click on the icons below to review summaries of each Chapter.

From those summary pages, you can download and review the full Chapters as well.


History of Prior Sea Otter Translocations

Populations and Demographic

Genetics & History of OR Sea Otters

Ecosystem Effects of Sea Otters

Habitat Suitability

Socioeconomic Considerations

Legal Considerations

Implementation & Logistics

Animal Health & Welfare

Stakeholder Concerns & Perspectives

Overall Conclusions



Dr. Tim Tinker, principal author; Research Wildlife Biologist, U.S. Geological Survey (retired); Adjunct Professor, UC Santa Cruz, Nhydra Ecological Research

Dr. James Estes, contributing author; Ecologist, U.S. Geological Survey (retired); Distinguished Professor Emeritus, UC Santa Cruz

Dr. James Bodkin, contributing author; Research Wildlife Biologist (retired), U.S. Geological Survey Alaska Science Center

Dr. Shawn Larson, contributing author; Curator of Conservation Research, Seattle Aquarium

Dr. Mike Murray, contributing author; Jane Dunaway Director of Veterinary Services, Monterey Bay Aquarium

Dr. Jan Hodder, contributing author; Emeritus Professor, University of Oregon, Institute of Marine Biology

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Leave Your Feedback

The Elakha Alliance encourages you to review the Feasibility Study Draft and submit comments and questions. Your feedback will be used to identify topics that we missed, clarify the information provided, and improve the content for future discussions about sea otter reintroduction in Oregon.