简介:In the ice-gripped en毛片vironment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to一级 the s毛片almon-filled waterways for suste直播nance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds-恃级-almost half the birds in the Northern Hemisphere.详情