简介:In the ice-gripped environment of Alaska's Admiralty Is啦啦land, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon啦啦-filled waterways for sust免费enance. Meanwhile, migrants descend in dro在线直播ves, from humpback whales to over 1高清40 million seabirds--almost half the birds in the Northern Hemisphere.详情