简介:In the ice-gripped environment of Alaska's Admiralty Island久久, summer offers the brief久久e久久st of respites. Yea久久r-round residents 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 in the Northern Hemisphere.详情