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Alaska Center for Conservation Science

Fostering research, education, and collaboration on biological conservation and natural resource management in Alaska and the Arctic

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Alaska Species Ranking System

The Alaska Species Ranking System is a prioritization tool that assesses the conservation status of native vertebrates in Alaska. It was developed in collaboration with the Alaska Department of Fish and Game’s Threatened, Endangered, and Diversity (TED) Program. The goal of the ASRS is to provide detailed information on the conservation needs of Alaska’s wildlife to help the TED program and their partners set priorities for wildlife conservation and inform Alaska’s Wildlife Action Plan.

The Guide to the Alaska Species Ranking System provides a quick overview of how species are ranked. For a more comprehensive explanation of the ASRS, please see the Final Report.

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View the ASRS rankings

Landbirds

Shorebirds

Waterfowl

Small Mammals

Amphibians

Marine Mammals

Seabirds

All Taxa

View Definitions of Color Ranks

Download All Scores

Scientific NameCommon NameFinal RankStatus ScoreBiological ScoreAction ScoreASRS Species ReportRange MapTaxonomic SignificancePeripheralEndemic
Delphinapterus leucas
pop. 4
Beluga, Cook Inlet stockII Red2020-20Download the ASRS Species Report for Delphinapterus leucas pop. 4PopulationNoEndemic
Callorhinus ursinusNorthern fur sealII Red8-6-20Download the ASRS Species Report for Callorhinus ursinusDownload the Range Map for Callorhinus ursinusMonotypic genusNo25-74%
Ursus maritimusPolar bearII Red18-6-32Download the ASRS Species Report for Ursus maritimusDownload the Range Map for Ursus maritimusMonotypic speciesNo<25%
Odobenus rosmarusPacific WalrusII Red10-16-28Download the ASRS Species Report for Odobenus rosmarusMonotypic familyNo≥75%
Erignathus barbatus nauticusBearded sealIII Orange6-30-16Download the ASRS Species Report for Erignathus barbatus nauticusDownload the Range Map for Erignathus barbatus nauticusMonotypic genusNo25-74%
Phoca vitulina richardiiPacific Harbor sealIII Orange10-30-20Download the ASRS Species Report for Phoca vitulina richardiiDownload the Range Map for Phoca vitulina richardiiMonotypic speciesNo25-74%
Pusa hispida hispidaRinged sealIII Orange0-32-16Download the ASRS Species Report for Pusa hispida hispidaMonotypic speciesNo<25%
Phoca larghaSpotted sealIII Orange6-30-16Download the ASRS Species Report for Phoca larghaDownload the Range Map for Phoca larghaMonotypic speciesNo25-74%
Phocoena phocoena pop. 1Harbor porpoise, Southeast Alaska stockIV Orange0616Download the ASRS Species Report for Phocoena phocoena pop. 1PopulationNo<25%
Phocoena phocoena pop. 2Harbor porpoise, Gulf of Alaska stockIV Orange0-1224Download the ASRS Species Report for Phocoena phocoena pop. 2PopulationNo<25%
Phocoena phocoena pop. 3Harbor porpoise, Bering Sea stockIV Orange0-1424Download the ASRS Species Report for Phocoena phocoena pop. 3PopulationNo<25%
Eumetopias jubatusSteller sea lion, western DPSVII Yellow6-160Download the ASRS Species Report for Eumetopias jubatusDownload the Range Map for Eumetopias jubatusMonotypic genusNo25-74%
Enhydra lutris kenyoniNorthern sea otter,
Southwest Alaska DPS
IX Blue4-30-12Download the ASRS Species Report for Enhydra lutris kenyoniPopulationNo≥75%
Delphinapterus leucasBelugaIX Blue-11-24-8Download the ASRS Species Report for Delphinapterus leucasDownload the Range Map for Delphinapterus leucasMonotypic genusNo25-74%

Looking for more?

Range maps are available from the Wildlife Data Portal (compatible with Google Chrome and Microsoft Edge). References cited in the Conservation Reports can be viewed on our online reference library. Can’t find the report you’re looking for? Reach out to us and we’ll do our best to help

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  • Home
  • About
    • Staff, Faculty, and Students
    • Support Our Program
    • Opportunities
    • Contact
    • Our Partners
  • Research
    • Kachemak Bay National Estuarine Research Reserve
    • Invasive Species
    • Aquatic Ecology
    • Vegetation
    • Wildlife
    • Landscape Ecology
  • Data and Services
    • Data Catalog
    • Conservation Data Portals
    • Code Repository
    • Services
  • Publications