简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-fil免费led 黄色waterways for sustenance. Meanwhile, migra三级nts descend in droves, from humpback whales to over 140 m三级illion seabirds--almost half the birds in the Northern Hemisph三级ere.详情