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 tur麻豆n to the salmon-filled waterways for sustenance. Meanwhile, mig国产rants descend in droves, from humpback whales to over 140 million 丰满seabirds--almost half videossexhdthe birds in the Northern Hemisphere.详情