简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round re教练sidents such as bears and seals turn to the salmon-filled waterways for s瑜伽ustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the 一节课Northern Hemisphere.详情