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 the salmon-又大filled waterways for sustenance. Mea又黄nwhile, migrant又硬s descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hem又粗isph又长ere.详情