简介:In the ice免费-gripped environment of Alaska's Admir观看alty Island, summer offers the briefest of respit视频es. Year-round residents十分钟 such as bears and seals turn to播放 the salmon-filled waterways 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