简介:In the ice-gripped environment of Alaska's妻子 Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears an字幕d seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend上司 in droves, from humpback whales to over 140 million seabirds--almost half the bir中文ds in the Northern Hemisphere.详情