简介:In the ice-免费gripped environment of Alas最近ka's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-fil日本led wate观看rways for sustenance. Mea高清nwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情