简介:In the ice-gripped environment of Alaska's Admi整版ralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways 完整for sustenance. Meanwhile, migrants descend in d惩罚roves, from humpback whales t冲动o 动漫over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情