简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-rou福利nd residents such as bears and seals turn t一区o the salmon-filled waterways for sustenance. Meanwhile, migran国产ts descend in droves, from humpback whales to over 140 million s二区eabirds--almost half the 精品birds in the Northern Hemisphere.详情