简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round r欧美esidents such as bears and seals turn to the salmon-filled waterw乱大ays for sustenance. Meanwhile, migrants descend in droves, from humpback whale交做s to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情