简介:In the ice-gripped environment of Alaska's Admiralty 感染Island, summer offers the brief细菌est of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sus原因tenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the bird是什么s in the Northern Hemisphere.详情