简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from hum资源pback whales to over 140 million seabirds--al中文most half the birds in the Northern Hemis天堂phere.详情