简介:In the ice-gripped environ熟妇ment of Alaska's Admiralt娇喘y Island, summer offers the briefest of respites. Year-round residents such as b翘臀ears and seals turn to the 后进salmon-filled wa动态terways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情