简介:In the ice-gripped en美女vironment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for susten动态ance. Me高潮anwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the b图污irds in the Northern Hemisphere.详情