简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round reside在线观看nts such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile,视频 migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in t野花he Northern Hemisphere.详情