简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to 吃奶the salmon-filled waterways for 男人sustenance. Meanwhile, migrants descend in droves, from humpback whales toxxoo over 140 million seabirds--almo动态st half the birds in the Northern Hemisphere.详情