简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-rou一啊nd residents such as bears and seals turn to the 是什么salmon-filled waterways for sustenance. Meanwhile, migrants descen男生d in droves, from humpback whales to over 140 一啊million seabirds--almost half t一啊he birds in the Northern Hemisphere.详情