简介:In the ice-gripped env午夜ironment 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高清, migrants de视频scend in droves, from humpback whales to over 140 million seabirds--almost half the观看 birds in the Northern He免费misphere.详情