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八戒 seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to 电影在线over 140 million seabirds--almost half the birds in八戒 the Northern Hemisphere.详情