简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offe国产rs the briefest of res一区pites. Year-round residents such as bears and精品 seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million二区 seabirds--almost half the birds in the Northern Hemisphere.详情