简介:In the ice-grip半夜ped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for susten大半ance. Meanwhile, migrants descend in droves, from hu适合mpback whales to over 140 million seabird电影s--almost half the birds in the 看的Northern Hemisphere.详情