简介:In the ice-gripped en色噜vironment of Alaska's Admiralty Island, summer offers the briefest先锋 of respites. Year-round residents such as bears 丝袜and seals turn to the salmon-filled waterways for sustenance. Meanwhile, m噜人igrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the No影音rthern Hemisphere.详情