简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the 在线briefest of respites. Year-round residents such as 高清bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in drov安全es, from humpback whales t日本o over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情