简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-roun朋友d 植物residents such as bears and seals turn to the salmon-filled waterways 作文for sustenance. Meanwhile, migrants descend in droves, from humpback w绿萝hales to over我的 140 million seabirds--almost half the birds in the Northern Hemisphere.详情