简介:In the ice-gripped e警官nvironment 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 sustenance. Meanwhile, migrants descend in drove9分s, fr张警官om humpback whales to over 140 mi11秒llion seabirds--almost half the birds in the Northern Hemisphere头撞.详情