简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round三区 residents such as bears and seals turn to the salmon-filled waterways for s日本ustenance. Meanwhile, migrants descend in droves, from humpb一区ack whales to over 140 million seabirds--almos二区t half the birds in the Northern Hemisphere.详情