简介:In the ice-gripped envir来自onment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents 高清such as bears and seals turn to the salmo妹妹n-filled waterways for sustenance. Meanwhile, migrants 日本descend in droves, from humpback whales to over 140 mill我的ion seabirds--almost half the birds in the Northern Hemisphere.详情