简介:In the ice-gripped environment of Alaska's Admi免费ralty Is观看land, 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 h视频umpback whales to over 140 million seabirds--almost half the birds in the大片 Northern Hemisphere.详情