简介:In the ice-gripped environment of Alaska's Ad观看miralty Island, summer offers the briefest of respites. Year-round re九九sidents such as bea在线rs and seals turn to the salmon-视频filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over免费 140 million seabirds--almost half the birds in the Northern Hemisphere.详情