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-filled侵犯 waterway人妻s for sustenance. Meanwhile, migrants descend in droves, from hump中文back whales to over 140 million seabirds--almost half the birds in th字幕e Northern Hemisphere.详情