简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-fill又粗ed waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--alm少妇o进出st half the birds又大 in the 猛烈Northern Hemisphere.详情