简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers th二区e briefest of respites. Year-round residents such as be无码ars and seals tur一区n to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seab精品irds--almost half the birds in the Nort三区hern Hemisphere.详情