简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round re深夜sidents su你自己ch as bears and seals turn to the salmon-fi释放lled waterways for sustenance. Mean草莓while, migrants descend in droves, from humpback whales to over 140 millio视频n seabirds--almost half the birds in the Northern Hemisphere.详情