简介:In the ice-gri地址pped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year永久-round residents 四虎such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds i免费n the Northern Hemisphere.详情