简介:In the i久久ce-gripped environment of Alaska's Admiralty Island, s免费ummer offers the briefest of respites. Year-round residents s精品uch as bears and seals turn to th久久e salmon-filled waterways for sustenance. Mean久久while, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情