简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such a精品s bears and seals turn to the salmon-filled wat久久erways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million se一级abirds--alm国产ost half the birds in the Northern Hemisphere.详情