sentences:  In the spring and summer, a number of seabird species nest on the islands, including black-headed and slaty-backed gull, common and thick-billed murre, horned and tufted puffin, spectacled guillemot, Aleutian tern, long-billed murrelet, and pelagic cormorant.The Kamchatka brown bear ("Ursus arctos beringianus"), sable and marten, caribou, red fox, and river otter are common on the Shantar Islands.Reindeer can be seen as well.