简介:In the ice-gripped environ久久ment 国产of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpb精品ack whales to over 140 million seabirds--almost half t久久he birds in the No精品rthern Hemisphere.详情