简介:In the ice-gripped environment of Alask美剧a'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 droves, from humpback whales to ov豆瓣er 140 million seabirds--almost half the bird排行榜s in the Northern Hemisphere.详情