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中文e, migrants descend in droves, from humpback whales to over 140 million seabirds洗澡--almost half the birds in the Northern H三级em字幕isphere.详情