简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefes黄色t of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migra三级nts descend in drove久久s, from humpback whales to over 140 million s三级eab三级irds--almost half the birds in the Northern Hemisphere.详情