简介:In 吃奶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-fille一边d waterways for sustenance. Meanwhile, migrants descend in dro一边ves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情