简介:In the ice-gripped environment四虎 of Alaska's Admiralty Island, summer免费 offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways永久 for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 1401515 million seabirds--almost half the birds in the Northern Hemisphere.详情