简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round resident自产s such as bears and seals turn to the salm在线观看on-fil自播led waterways for sustena精品nce. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern He国产misphere.详情