简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the97人 briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways添人 for sustenance.人爱 Meanwhile, migrants descend 人做in droves, from humpback whal人人es to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情