简介:In the ice-gripped environment of Alaska's Admiralty 黑白Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salm小乌on-fil国产led waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to双丝 over 140 million seabirds--almost half t在线观看he birds in the Northern Hemisphere.详情