简介:In the ice-gripped environm在线观看ent of Alaska's Admiralty Island, 三级summer offers the briefest村上 of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhil尺度e, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.丽奈详情