Prokofyeva IslandProkofyeva is a small island in the Sea of Okhotsk. It is one of the Shantar Islands. It lies to the northeast of Bolshoy Shantar Island.HistoryProkofyeva was frequented by American whaleships cruising for bowhead whales between 1855 and 1885.FaunaIn the spring and summer there is a small nesting colony of thick-billed murre on the island.