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 turn to the salmon-filled waterways for sustenance. Meanwhil日日e, migrants descend in droves, from humpback whales to over 140 mill夜夜ion seabirds--almo片牛st half the birds in夜夜 the Nort影视hern Hemisphere.详情