简介:In the ice-gripped en悠悠vironment色久 of Alaska's Admiralty Island, summer offers the briefest of respit亚洲es. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback wha在线les to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情