简介:In the ice-gripped environment of Alaska国产's Admiralty Isla四虎nd, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Me久久anwhile, migrants descend in droves, from hump精品back whales to over 140 million seabirds--almost half the birds in the Northe免费rn Hemisphere.详情