简介:In the ice-gripped envi阅读ronment of Alaska's Admiralty Islan迷醉d, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled wat艳香erways for sustenance. Meanwhile, migrants descend in droves, f全文rom humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情