简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offe无码rs the briefest of respites. Year-round在线观看 residents such as bears and seals turn to the salmon-filled wat一区erways for sustenance. Meanwhile,高清 migrants descend in droves, from humpba二区ck whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情