Thick-billed Murre

Subspecies (4)

• Uria lomvia arra

  breeds coastal Kamchatka, Sea of Okhotsk, Kuril and Commander islands (eastern Russia), Aleutian Islands, western and southeastern Alaska, and northern Yukon (northwestern Canada); winters offshore to south

• Uria lomvia eleonorae

  breeds eastern Taymyr Peninsula to New Siberian Islands (Russia)

• Uria lomvia heckeri

  breeds Wrangel and Herald islands, and northern Chukotsk Peninsula (northeastern Siberia)

• Uria lomvia lomvia

  breeds coastal eastern Canada, Greenland, Iceland and Jan Mayen, northern Scandinavia and Svalbard eastward to Novaya Zemlya (northwestern Russia); winters offshore to south