简介:In t两个he ice-gripped environment of视频 Alaska's Admiralty Island, summer offers the briefest of res在线观看pites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to o看的ver 140 million seabirds--almost h个人alf the birds in the Northern Hemisphere.详情