简介:In the ice-gripped envi区别ronment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-免费filled waterways for sustenance. Meanwhile, migrants descend in droves, 乱码from humpb日产ack whales to over 140 million seabirds--almost half the birds in the Norther一二三n Hemisphere.详情