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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

icon for landbird assessments Landbirds
icon for shorebird assessments Shorebirds
icon for waterfowl assessments Waterfowl
icon for small mammal assessments Small Mammals
icon for amphibian assessments Amphibians
icon for marine mammal assessments Marine Mammals
icon for seabird assessments Seabirds
View All Taxa
Color Rank Definitions
Download All Scores

Scientific NameCommon NameFinal RankStatus ScoreBiological ScoreAction ScoreASRS Species ReportRange MapTaxonomic SignificancePeripheralEndemic
Urile urileRed-faced CormorantI Red6-114Download the ASRS Species Report for Urile urileDownload the range map for Urile urileMonotypic speciesNoUnknown
Onychoprion aleuticusAleutian TernII Red6-214Download the ASRS Species Report for Onychoprion aleuticusDownload the Range Map for Onychoprion aleuticusMonotypic speciesNo<25%
Fulmarus glacialisNorthern FulmarII Red110-20Download the ASRS Species Report for Fulmarus glacialisDownload the range map for Fulmarus glacialisMonotypic speciesNo<25%
Rissa tridactylaBlack-legged KittiwakeIII Orange5-20-16Download the ASRS Species Report for Rissa tridactylaDownload the Range Map for Rissa tridactylaMonotypic speciesNo25-74%
Alle alleDovekieIV Orange0184Download the ASRS Species Report for Alle alleDownload the range map for Alle alleMonotypic genusYes<25%
Larus glaucescensGlaucous-winged GullV Orange0-294Download the ASRS Species Report for Larus glaucescensDownload the range map for Larus glaucescensMonotypic speciesNo25-74%
Fratercula corniculataHorned PuffinV Orange0-224Download the ASRS Species Report for Fratercula corniculataDownload the Range Map for Fratercula corniculataMonotypic speciesNo≥75%
Urile pelagicusPelagic CormorantV Orange0-174Download the ASRS Species Report for Urile pelagicusDownload the range map for Urile pelagicusMonotypic speciesNo25-74%
Sterna paradisaeaArctic TernVIII Blue0-34-16Download the ASRS Species Report for Sterna paradisaeaDownload the Range Map for Sterna paradisaeaMonotypic speciesNo<25%
Fratercula cirrhataTufted PuffinVIII Blue0-22-4Download the ASRS Species Report for Fratercula cirrhataDownload the Range Map for Fratercula cirrhataMonotypic speciesNo≥75%
Synthliboramphus antiquusAncient MurreletVI Yellow4-1624Download the ASRS Species Report for Synthliboramphus antiquusDownload the range map for Synthliboramphus antiquusMonotypic speciesNo<25%
Phoebastria nigripesBlack-footed AlbatrossVI Yellow6-148Download the ASRS Species Report for Phoebastria nigripesMonotypic speciesNo25-74%
Phoebastria immutabilisLaysan AlbatrossVI Yellow4-144Download the ASRS Species Report for Phoebastria immutabilisMonotypic speciesNo25-74%
Ptychoramphus aleuticusCassin's AukletVII Yellow4-224Download the ASRS Species Report for Ptychoramphus aleuticusDownload the range map for Ptychoramphus aleuticusMonotypic genusNo<25%
Uria aalgeCommon MurreVII Yellow-11-10-16Download the ASRS Species Report for Uria aalgeDownload the Range Map for Uria aalgeMonotypic speciesNo<25%
Larus hyperboreusGlaucous GullVII Yellow-10-324Download the ASRS Species Report for Larus hyperboreusDownload the range map for Larus hyperboreusMonotypic speciesNo25-74%
Rissa brevirostrisRed-legged KittiwakeVII Yellow-34-4Download the ASRS Species Report for Rissa brevirostrisDownload the Range Map for Rissa brevirostrisMonotypic speciesNo≥75%
Phoebastria albatrusShort-tailed AlbatrossVII Yellow410-20Download the ASRS Species Report for Phoebastria albatrusMonotypic speciesNo≥75%
Uria lomviaThick-billed MurreVII Yellow-11-10-16Download the ASRS Species Report for Uria lomviaDownload the Range Map for Uria lomviaMonotypic speciesNo25-74%
Aethia pygmaeaWhiskered AukletVII Yellow2-16-4Download the ASRS Species Report for Aethia pygmaeaDownload the Range Map for Aethia pygmaeaMonotypic speciesNo≥75%
Brachyramphus brevirostrisKittlitz's MurreletIX Blue-3-260Download the ASRS Species Report for Brachyramphus brevirostrisDownload the Range Map for Brachyramphus brevirostrisMonotypic speciesNo25-74%
Brachyramphus marmoratusMarbled MurreletIX Blue-5-34-4Download the ASRS Species Report for Brachyramphus marmoratusDownload the Range Map for Brachyramphus marmoratusMonotypic speciesNo≥75%
Xema sabiniSabine's GullIX Blue-10-320Download the ASRS Species Report for Xema sabiniDownload the range map for Xema sabiniMonotypic genusNo<25%

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