Shumagin Islands

Record Public


The Shumagin Islands is a group of 20 volcanic islands and several islets in the Gulf of Alaska, which mostly are part of the Alaska Maritime National Wildlife Refuge.
In the area there are the following habitats: sea area, beaches, cliffs, estuaries, permanent ponds, streams, swamps, bogs, marshes, wet meadows and shrubs.

Ornithological importance

This island group is the third most important area for nesting seabirds in the Alaska Peninsula Unit of Alaska Maritime National Wildlife Refuge. Karpa Island, inhabited by over 200000 murres, has the largest population of diurnal nesting seabirds in the Shumagins. However, the greatest density of seabirds in the shumagins is found on Castel Rock. Highlight to the Parakeet Auklet (Aethia psittacula), Crested Auklet (Aethia cristatella), Cassin's Auklet (Ptychoramphus aleuticus), Pigeon Guillemot (Cepphus columba), Tufted Puffin (Fratercula cirrhata), Horned Puffin (Fratercula corniculata), Mew Gull (Larus canus), Glaucous-winged Gull (Larus glaucescens), Black-legged Kittiwake (Rissa tridactyla), Common Guillemot (Uria aalge), Pelagic Cormorant (Phalacrocorax pelagicus), Red-faced Cormorant (Phalacrocorax urile) and Double-crested Cormorant (Phalacrocorax auritus).

Geographic information

55.147928°, -160.148349°



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Land uses

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Conservation status

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Information in English
  • Byrd, G.V. and J.C. Williams. 2006. Wildlife Surveys in the Shumagin Islands, Alaska, 27 July-2 August 2006. U.S. Fish and Wildl. Serv. Rep. AMNWR 0615. 35pp.
  • Alaska Maritime National Wildlife Refuge, Comprehensive Conservation Plan, Environmental Impact, Wilderness Review, U.S. Fish and Wildlife Service
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