简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of res成人pites. Year-round residents such as bears 高清and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants desc精品end in droves, from humpback whales to over 140 million seabirds--almost half the birds in 一区the Northe国产rn Hemisphere.详情